1981 Buick Century Valve Cover and Cylinder Heads

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Keep Your 1981 Buick Century in Top Shape with Quality Valve Cover and Cylinder Heads

Whether you’re repairing or upgrading your Valve Cover and Cylinder Head, using high-quality parts is key to keeping your 1981 Buick Century looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Engine Valve Lifters, Push Rods, and Cylinder Head Bolt Sets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Valve Cover and Cylinder Heads from Trusted Brands

Looking for a reliable Valve Cover and Cylinder Head? We’ve got you covered with options from brands you know and trust like Sealed Power and Edelbrock. For example, Sealed Power Valve Cover and Cylinder Heads start at just $0.43 with an average 4.3 star rating. Edelbrock offer similar pricing and quality, backed by strong customer feedback. With over 21 reviews and a solid 5 star average, you can shop with confidence knowing other Buick Century owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 Buick Century Valve Cover and Cylinder Head at Advance Auto Parts is around $152.82, with a range that starts at $0.43 and goes up to $635.99. With 47 options in stock from 10 trusted brands, finding the right fit is easy. Popular picks like Engine Valve Lifter, Rubber Expansion Plug 1-1/2" – Size Range 1-1/2" – 1-5/8" (Sold by each), and Steel Cup Expansion Plug 1-1/2 In., Height 0.480 start at just $3.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Valve Cover and Cylinder Head, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 1981 Buick Century in peak condition, inside and out.

Essential 1981 Buick Century Valve Cover and Cylinder Heads

Sealed Power – Engine Rocker Arm Kit (Part No.R-826)

Engine Rocker Arm Kit

from

$3.49
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Complete rocker arm assembly
  • 1 Arm
  • 1 Ball
  • 1 Nut
  • Utilizes ISO & QS certified manufacturing
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Felpro – Engine Cylinder Head Bolt Set (Part No.ES 74019)

Engine Cylinder Head Bolt Set

from

$24.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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ARP Auto Racing – 1.75"Oal Stud, 0.8"D Adjuster Third, 3/8"-24, 7/16"-14, 0.7"D Screw-In, Set Of 16 (Part No.134-7101)

1.75"Oal Stud, 0.8"D Adjuster Third, 3/8"-24, 7/16"-14, 0.7"D Screw-In, Set Of 16

from

$98.99
If you have ever installed a rocker stud into a cylinder head and watched it wobble as it screwed in, you knew from the beginning that the rocker geometry was going to be inconsistent all over the place. ARP rocker studs are concentric within 0.005 T.I.R. thread pitch to thread pitch. They run in straight and true. Lengths are exact designed to provide positive seating every time. An extra large radius base offers greater resistance to flex. Available in both High Performance and Pro Series models. To be used with ARP patented Perma Loc(TM) adjusters.

Product Features:
  • Made Of 8740 Chrome Moly Forgings
  • Heat Treated To 180,000 PSI
  • Excellent For Elapsed Time Bracket Racing, Limited Rule Oval Track Competition And Street Use
  • Lengths Are Exact Designed To Provide Positive Seating Every Time
  • Set of 16
  • .800″ Adjuster Thread Length
  • 3/8-24 Shank Diameter and Thread
  • 3/8″ Typical Small Block Application
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Spartan – Engine Cylinder Head; Chevrolet 350 71-86 OHV Head (Part No.2C15)

Engine Cylinder Head; Chevrolet 350 71-86 OHV Head

from

$386.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
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Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.7733 PT-2)

PermaTorque Engine Cylinder Head Gasket

from

$35.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • PermaTorque head gaskets meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Requires no retorquing of the head bolts
  • Manufactured for the repair environment
  • Validated for fit, form, and function
  • Unsurpassed quality you can trust
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Felpro – Severe Duty Engine Cylinder Head Gasket (Part No.501 SD)

Severe Duty Engine Cylinder Head Gasket

from

$42.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • DESIGNED FOR THE TOUGHEST CONDITIONS – Engineered for hardworking vehicles that operate in severe conditions
  • STRONG AND DURABLE – Severe duty steel core gaskets designed slightly thicker to accommodate for machined surfaces
  • PREMIUM MATERIALS – High-grade stainless armor enhances strength and corrosion resistance while proprietary coatings enhance sealing and anti-stick properties
  • SUPERIOR SEAL – Precise embossed Printo seal sealing beads at all vital areas to eliminate leak paths
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Competition Cams – Machined Steel 7 Degree, 3/8", Single Groove Race Lock (Part No.641-1)

Machined Steel 7 Degree, 3/8", Single Groove Race Lock

from

$5.99
Machined Steel 7 Degree, 3/8", Single Groove Race Lock

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-216)

Engine Valve Spring Retainer Keeper

from

$1.49
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Competition Cams – Tool Steel 10 Degree Retainer For All Valves With 1.250" O.D. Springs (Part No.1750-1)

Tool Steel 10 Degree Retainer For All Valves With 1.250" O.D. Springs

from

$27.99
Tool Steel 10 Degree Retainer For All Valves With 1.250" O.D. Springs

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9721)

Performer Series Retainer (Qty 16)

from

$100.99
Valve spring retainers for use OE cast iron heads. Superior quality heat-treated steel. Machined for strength with black oxide finish. Finish ensures rust and corrosion protection.

Product Features:
  • Valve Spring Retainers for Use OE Cast Iron Heads
  • Superior Quality Heat-Treated Steel
  • Machined for Strength with Black Oxide Finish
  • Finish Ensures Rust and Corrosion Protection
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Holley – Valve Covers – Muscle Series – Finned – SBC – Factory Orange (Part No.241-136)

Valve Covers - Muscle Series - Finned - SBC - Factory Orange

from

$478.99
Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970’s era GM factory L82/LT1/Z28 equipped engines. These valve covers are a continuation of Holley’s Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist-in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley emblem (also included) or any round emblem of your choice.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-Cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • Standard height valve cover with pre-installed internal oil baffles
  • Factory style twist-in oil fill cap, round Holley emblem, and square oil fill and PCV grommets included
  • Available in four finishes to best suit your custom build: natural, polished, gloss black, factory orange
See More

Holley – Valve Covers – Vintage Series – Finned – SBC – Satin Black Machined (Part No.241-242)

Valve Covers - Vintage Series - Finned - SBC - Satin Black Machined

from

$247.99
These new products are the first of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brand mark.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • 3.3″ tall (3.5″ overall) with pre-installed internal oil baffles (oil fill and PCV grommets also included)
  • Available with and without emissions provisions for your custom application (emissions compliant model includes pre-installed internal oil baffles in both covers, as well as PCV and oil fill grommets)
  • Offered in natural cast, polished, satin black with machined fins, and factory orange with machined fins
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Dorman – Rubber Expansion Plug 1-1/2" – Size Range 1-1/2" – 1-5/8" (Sold by each) (Part No.570-009)

Rubber Expansion Plug 1-1/2" - Size Range 1-1/2" - 1-5/8" (Sold by each)

from

$14.99
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Pik-a-Nut – Steel Cup Expansion Plug 1-1/2 In., Height 0.480 (Part No.362650.1)

Steel Cup Expansion Plug 1-1/2 In., Height 0.480

from

$3.99
This engine expansion plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine expansion plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

ARP Auto Racing – ARP Cylinder Head Stud Kit (Part No.234-4301)

ARP Cylinder Head Stud Kit

from

$321.99
ARP only uses premium grade 8740 alloy and a proprietary ARP2000 alloy that are rated for superior to “aircraft” quality alloy steels. Secondly, each stud is placed vertically into special racks and precisely heat-treated to 200,000 psi for the 8740 material and 220,000 psi for the ARP2000 material. This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best. 

Product Features:
  • 1/2″ 12-Point, 3/16″ Allen Socket Size(s)
  • 8740 Chromoly
  • Black Oxide
  • Small Block Chevy
  • Sold As A Kit
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Sealed Power – Engine Push Rod (Part No.RP-3093)

Engine Push Rod

from

$3.29
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • State-of-the-art manufacturing
  • Exceptional material quality
  • Exacting tolerances
  • Heat treated tips
  • Stock or mild modified replacement
  • Made in USA
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Edelbrock – Pushrod Set for Small-Block Chevy V-8 Black oxide finish-corrosion resistance (Part No.9629)

Pushrod Set for Small-Block Chevy V-8 Black oxide finish-corrosion resistance

from

$197.99


Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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Edelbrock – Hold-Down Tab Kits for Small-Block Chevy (Qty 4) (Part No.4404)

Hold-Down Tab Kits for Small-Block Chevy (Qty 4)

from

$22.99
Product Features:
  • Not For Center Bolt Covers
  • Steel Material
  • For Small-Block Chevy
  • Chrome Finish
  • Set of 4
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Felpro – Engine Valve Cover Load Spreader Set (Part No.ES 72676)

Engine Valve Cover Load Spreader Set

from

$34.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
See More

Sealed Power – Engine Rocker Arm Bridge (Part No.MR-1840)

Engine Rocker Arm Bridge

from

$2.49
Sealed Power┬« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Dorman – Pipe Plug C.S. Square 1/4-18 NPT, Head Size 1/4 In. (Sold by each) (Part No.090-067)

Pipe Plug C.S. Square 1/4-18 NPT, Head Size 1/4 In. (Sold by each)

from

$4.99
This engine cylinder head plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine cylinder head plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dorman – Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470 (Sold by each) (Part No.555-020)

Steel Cup Expansion Plug 1-1/8 In., SC, Height 0.470 (Sold by each)

from

$1.79
This engine cylinder head plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine cylinder head plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Sealed Power – Engine Valve Lifter (Part No.HT-951)

Engine Valve Lifter

from

$9.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Valve Lifter (Part No.HT-2148)

Engine Valve Lifter

from

$14.49
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Competition Cams – High Energy Hydraulic Flat Lifter Chevrolet SBC, BBC, and 194-292/200-262 V6. (Part No.812-1)

High Energy Hydraulic Flat Lifter Chevrolet SBC, BBC, and 194-292/200-262 V6.

from

$13.99
High Energy Hydraulic Flat Lifter Chevrolet SBC, BBC, and 194-292/200-262 V6.

Sealed Power – Engine Rocker Arm Pivot (Part No.MR-1903)

Engine Rocker Arm Pivot

from

$2.99
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Most Popular Engine Valve Lifters for 1981 Buick Centuries

Enhance your 1981 Buick Century with one of the 2 Engine Valve Lifters we have in stock, starting at just $8.99.

Sealed Power – Engine Valve Lifter (Part No.HT-969)

Engine Valve Lifter

from

$8.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Competition Cams – Pro Magnum Hydraulic Flat Lifter for Oldsmobile 260-455 and Pontiac 326-455. (Part No.863-1)

Pro Magnum Hydraulic Flat Lifter for Oldsmobile 260-455 and Pontiac 326-455.

from

$15.99
Pro Magnum Hydraulic Flat Lifter for Oldsmobile 260-455 and Pontiac 326-455.

Best-Selling 1981 Buick Century Push Rod

Upgrade your Century with our best-selling Push Rod.

Sealed Power – Engine Push Rod (Part No.RP-3164)

Engine Push Rod

from

$2.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.
See More

Top-Quality Cylinder Head Bolt Sets for 1981 Buick Centuries

Choose a high-quality OEM or aftermarket Cylinder Head Bolt Set for Buick Centuries and enjoy top-notch performance from $136.99.

ARP Auto Racing – For Use With Chevy Small Block, Black Oxide, Chrome Moly, With Washers (Part No.134-3601)

For Use With Chevy Small Block, Black Oxide, Chrome Moly, With Washers

from

$136.99
High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 PSI (which is 15 Percent stronger than Grade 8) and kits come complete with hardened parallel ground washers.

Product Features:
  • High Performance Head Bolts Are Available With A Reduced Wrenching Hex Or 12 Point
  • Wide Area Flanged Head That Eliminates The Need For Valve Train Removal To Facilitate Cylinder Head Retorquing
  • Rated At 180,000 PSI Tensile Strength
  • High Performance Head Bolts Are Stronger
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ARP Auto Racing – For Use With 2004 And Later Gen Iii/ Ls Series Small Block, 200000Psi Tensile (Part No.134-3610)

For Use With 2004 And Later Gen Iii/ Ls Series Small Block, 200000Psi Tensile

from

$209.99
All Pro Series bolts are cold forged to ensure molecular integrity, heat treated prior to thread rolling and machining, and are rated at 200,000 PSI tensile strength. ARP Pro Series head bolt kits are application specific, designed for use with typically competition only components. These fasteners deliver superior strength and meet the ARP zero defect zero failure quality standard. Hardened and parallel ground washers are included with each kit to ensure even load distribution and accurate torque readings. All Pro Series head bolts have a reduced wrenching hex or 12 point head and wide area flange to eliminate the need for valve train removal for cylinder head retorquing and permits the use of larger diameter valve springs. Most applications have undercut short bolts that can help eliminate head gasket failures through providing more stretch to compensate for the additional compression of gaskets.

Product Features:
  • Pro Series Bolts Are Cold Forged To Ensure Molecular Integrity, Heat Treated Prior To Thread Rolling And Machining
  • Nominally Rated At 200,000 Psi Tensile Strength
  • These Fasteners Deliver Superior Strength And Meet The ARP Zero Defect Zero Failure Quality Standard
  • Bolts Have A Reduced Wrenching Hex Or 12 Point Head And Wide Area Flange To Eliminate The Need For Valve Train Removal For Cylinder Head Retorquing And Permits The Use Of Larger Diameter Valve Springs
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ARP Auto Racing – For Use Wit 2003 And Earlier Gen Iii/Ls Series Smal Block, Hex Head, Chrome Moly (Part No.134-3609)

For Use Wit 2003 And Earlier Gen Iii/Ls Series Smal Block, Hex Head, Chrome Moly

from

$272.99
High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 PSI (which is 15 Percent stronger than Grade 8) and kits come complete with hardened parallel ground washers.

Product Features:
  • High Performance Head Bolts Are Available With A Reduced Wrenching Hex Or 12 Point
  • Wide Area Flanged Head That Eliminates The Need For Valve Train Removal To Facilitate Cylinder Head Retorquing
  • Rated At 180,000 Psi Tensile Strength
  • High Performance Head Bolts Are Stronger
See More

Top Picks for 1981 Buick Century Valve Covers

Invest in one of our 14 durable Valve Covers for your 1981 Buick, knowing you’re getting trusted brands and expert craftsmanship.

Edelbrock – Signature Series Valve Covers: Buick 3.8L & 4.1L V6 1977 & Later, Chrome Steel (Part No.4486)

Signature Series Valve Covers: Buick 3.8L & 4.1L V6 1977 & Later, Chrome Steel

from

$77.99
The Edelbrock #4486 Signature Series Valve Covers are designed for Buick 3.8L & 4.1L V6 ’77 & later applications. Engineered for function and styled for great looks, Signature Series valve covers have stock-style breather baffles that prevent oil passage to the PCV valve. These quality valve covers accept all emissions equipment, including PCV valve holes. Rubber grommets for the breather and PCV valve holes are included. Matching breathers sold separately.

Product Features:
  • Buick 3.8L & 4.1L V6 1977 & Later
  • Short
  • Chrome Steel
  • Set Of Two
  • Rubber Grommets For Breather
See More

Holley – Valve Covers – Muscle Series – Finned – SBC – Polished (Part No.241-137)

Valve Covers - Muscle Series - Finned - SBC - Polished

from

$506.99
Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970’s era GM factory L82/LT1/Z28 equipped engines. These valve covers are a continuation of Holley’s Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist-in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley emblem (also included) or any round emblem of your choice.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-Cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • Standard height valve cover with pre-installed internal oil baffles
  • Factory style twist-in oil fill cap, round Holley emblem, and square oil fill and PCV grommets included
  • Available in four finishes to best suit your custom build: natural, polished, gloss black, factory orange
See More

Holley – Valve Covers – Muscle Series – Finned – SBC – Satin Black Machined (Part No.241-135)

Valve Covers - Muscle Series - Finned - SBC - Satin Black Machined

from

$487.99
Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970’s era GM factory L82/LT1/Z28 equipped engines. These valve covers are a continuation of Holley’s Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist-in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley emblem (also included) or any round emblem of your choice.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-Cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • Standard height valve cover with pre-installed internal oil baffles
  • Factory style twist-in oil fill cap, round Holley emblem, and square oil fill and PCV grommets included
  • Available in four finishes to best suit your custom build: natural, polished, gloss black, factory orange
See More

Holley – Valve Covers – Muscle Series – Finned – SBC – Factory Orange (Part No.241-136)

Valve Covers - Muscle Series - Finned - SBC - Factory Orange

from

$478.99
Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970’s era GM factory L82/LT1/Z28 equipped engines. These valve covers are a continuation of Holley’s Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist-in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley emblem (also included) or any round emblem of your choice.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-Cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • Standard height valve cover with pre-installed internal oil baffles
  • Factory style twist-in oil fill cap, round Holley emblem, and square oil fill and PCV grommets included
  • Available in four finishes to best suit your custom build: natural, polished, gloss black, factory orange
See More

Holley – Valve Covers – Muscle Series – Finned – SBC – Natural (Part No.241-134)

Valve Covers - Muscle Series - Finned - SBC - Natural

from

$429.99
Holley is pleased to introduce their Muscle Series Small Block Chevy valve covers inspired by 1970’s era GM factory L82/LT1/Z28 equipped engines. These valve covers are a continuation of Holley’s Vintage Series valve cover line featuring a classic finned design and retro styling cues. Each set consists of one valve cover with a twist-in oil fill knockout (oil fill cap included) and one with a recessed area to place an adhesive backed Holley emblem (also included) or any round emblem of your choice.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-Cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • Standard height valve cover with pre-installed internal oil baffles
  • Factory style twist-in oil fill cap, round Holley emblem, and square oil fill and PCV grommets included
  • Available in four finishes to best suit your custom build: natural, polished, gloss black, factory orange
See More

Holley – M/T Valve Covers – Vintage Style – Finned – SBC – Polished (Part No.241-82)

M/T Valve Covers - Vintage Style - Finned - SBC - Polished

from

$358.99
Other historic literature stated that you could expect reduced valve train noise from these cast M/T covers. Get a set today and get back your hot rodding groove!

Product Features:
  • Precision manufactured with knock-out plugs for stock PCV (smog Control) and oil fill installations
  • Top cover surface may be used for engraving your name horizontally
  • Deep heat dissipating fins
  • Cast aluminum construction for even gasket sealing
  • Polished aluminum
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Holley – GM Licensed Vintage Series SBC Valve Covers (Part No.241-106)

GM Licensed Vintage Series SBC Valve Covers

from

$358.99
The Vintage Series family of die-cast aluminum engine dress up accessories features a classically inspired finned design, high definition retro branding, and are offered in an array of finishes to best suite your custom build.

Product Features:
  • Features a high definition “Chevrolet” script logo and a wrap-around finned design to add classic muscle styling to your engine bay
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt pattern
  • Die-cast aluminum construction ensures high quality details, and reduces opportunities for valve cover flange warping and oil leaks
  • 3.3″ tall with a solid body for non-emissions applications or custom crankcase ventilation setups
  • Offered in natural cast, polished, satin black with machined fins, and factory orange with machined fins
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Holley – M/T Valve Covers – Vintage Style – Finned – SBC – Satin Black (Part No.241-83)

M/T Valve Covers - Vintage Style - Finned - SBC - Satin Black

from

$302.99
Flashback – 1972: Nothing was cooler than sporting around town in a hot rod with a Holley Double Pumper and M/T finned aluminum valve covers! Show everyone how cool you are and show up sporting those same parts today!

Product Features:
  • Precision manufactured with knock-out plugs for stock PCV (smog Control) and oil fill installations
  • Top cover surface may be used for engraving your name horizontally
  • Deep heat dissipating fins
  • Cast aluminum construction for even gasket sealing
  • Satin Black finish
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Holley – Valve Covers – Vintage Series – Finned – SBC – Polished (Part No.241-241)

Valve Covers - Vintage Series - Finned - SBC - Polished

from

$302.99
Holley is pleased to offer their Vintage Series Small Block Chevy Valve Covers.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • 3.3″ tall (3.5″ overall) with pre-installed internal oil baffles (oil fill and PCV grommets also included)
  • Available with and without emissions provisions for your custom application (emissions compliant model includes pre-installed internal oil baffles in both covers, as well as PCV and oil fill grommets)
  • Offered in natural cast, polished, satin black with machined fins, and factory orange with machined fins
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Holley – Valve Covers – Vintage Series – Finned – SBC – Satin Black Machined (Part No.241-245)

Valve Covers - Vintage Series - Finned - SBC - Satin Black Machined

from

$281.99
These new products are the first of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brand mark.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • 3.3″ tall with a solid body for non-emissions applications or custom crankcase ventilation setups
  • Available with and without emissions provisions for your custom application (emissions compliant model includes pre-installed internal oil baffles in both covers, as well as PCV and oil fill grommets)
  • Offered in natural cast, polished, satin black with machined fins, and factory orange with machined fins
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Holley – Valve Covers – Vintage Series – Finned – SBC – Satin Black Machined (Part No.241-242)

Valve Covers - Vintage Series - Finned - SBC - Satin Black Machined

from

$247.99
These new products are the first of the Vintage Series family of die-cast aluminum dress up products featuring a classically inspired finned design and a retro-style Holley script brand mark.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • 3.3″ tall (3.5″ overall) with pre-installed internal oil baffles (oil fill and PCV grommets also included)
  • Available with and without emissions provisions for your custom application (emissions compliant model includes pre-installed internal oil baffles in both covers, as well as PCV and oil fill grommets)
  • Offered in natural cast, polished, satin black with machined fins, and factory orange with machined fins
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Holley – Valve Covers – Vintage Series – Finned – SBC – Natural (Part No.241-240)

Valve Covers - Vintage Series - Finned - SBC - Natural

from

$236.99
Holley is pleased to offer their Vintage Series Small Block Chevy Valve Covers.

Product Features:
  • Designed to fit all 1958-86 Small Block Chevy engines with perimeter bolt patterns
  • Die-cast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks
  • 3.3″ tall (3.5″ overall) with pre-installed internal oil baffles (oil fill and PCV grommets also included)
  • Available with and without emissions provisions for your custom application (emissions compliant model includes pre-installed internal oil baffles in both covers, as well as PCV and oil fill grommets)
  • Offered in natural cast, polished, satin black with machined fins, and factory orange with machined fins
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Mr. Gasket – Aluminum Valve Cover (Part No.6854)

Aluminum Valve Cover

from

$199.99
High quality valve covers that help you solve rocker clearance issues. Great for when you just can’t seem to stop those thin steel ones from leaking oil. Good for high performance street, drag and oval track racing. They feature an extended sealing lip to positively locate and secure the gasket and stop it from moving to eliminate oil leaks. These Mr. Gasket covers are precision die cast for light weight and a perfect fit.

Product Features:
  • Fits small block Chevy engines
  • Polished cast aluminum construction
  • Tall design cover for added rocker clearance
  • Sold as a pair
  • Stops Gasket From Moving
  • A Perfect Fit
  • Beautifully Polished To A High Luster
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Top Street Performance – Chevy Small Block Perimeter-Bolt V8 (265-400) Polished Fabricated Aluminum Short-Bolt Valve Covers with Breather Holes (Part No.JM8091-8P)

Chevy Small Block Perimeter-Bolt V8 (265-400) Polished Fabricated Aluminum Short-Bolt Valve Covers with Breather Holes

from

$136.99
TSP Valve Covers are constructed of high-quality materials and are available for any look and application. We?ve got cast aluminum valve covers for the classic or retro look and fabricated aluminum for racing. Our fabricated covers feature CNC-machined rails and are completely TIG welded. They offer excellent stability and valve train clearance along with great looks. So regardless of the application, we?ve got you ?covered.?

Product Features:
  • Mounting Style: Perimeter Bolt
  • Material: Fabricated Aluminum
  • Gasket: Not Included
  • Hardware: Not Included
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Our Cylinder Head Gaskets for 1981 Buick Centuries

Make a smart move for your 1981 Buick Century with our Cylinder Head Gasket for $25.49.

Felpro – PermaTorque Engine Cylinder Head Gasket (Part No.8723 PT-1)

PermaTorque Engine Cylinder Head Gasket

from

$25.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Top-Rated Valve Cover and Cylinder Head Brands For Your 1981 Buick Century

When it comes to finding the perfect Valve Cover and Cylinder Head for your 1981 Buick Century, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 10 trusted brands. We carry the most popular Valve Cover and Cylinder Head brands including Edelbrock and Sealed Power, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $0.43. Purchasing a Valve Cover and Cylinder Head from us here at Advance Auto Parts is a smart move for both you and your 1981 Buick Century, providing peace of mind with parts that meet or exceed OEM standards.

Popular Edelbrock 1981 Buick Century Valve Cover and Cylinder Heads

If you’re looking for a top-quality Valve Cover and Cylinder Head for your 1981 Buick Century, Advance Auto Parts has exactly what you need with our selection of Edelbrock Valve Cover and Cylinder Heads. We have 1 Edelbrock Valve Cover and Cylinder Heads in stock for this fitment, all known for their durability and precision fit. With prices starting at just $77.99, you’ll find the perfect Valve Cover and Cylinder Head for your needs and budget. Edelbrock Valve Cover and Cylinder Heads for the 1981 Buick Century come highly rated, with over 1 customer reviews and an impressive average rating of 4.4 stars. Choosing a Edelbrock Valve Cover and Cylinder Head from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Signature Series Valve Covers: Buick 3.8L & 4.1L V6 1977 & Later, Chrome Steel
from $77.99
(1)
Signature Series Valve Covers: Buick 3.8L & 4.1L V6 1977 & Later, Chrome Steel
“they look great and make my motor look excellent”

Top-Quality Sealed Power 1981 Buick Century Valve Cover and Cylinder Heads

For those in search of a high-quality Valve Cover and Cylinder Head for their 1981 Buick Century, Advance Auto Parts offers a great selection of Sealed Power Valve Cover and Cylinder Heads. With 2 Sealed Power Valve Cover and Cylinder Heads in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Valve Cover and Cylinder Heads start at just $0.43, with an average price of $1.71, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.3 stars, Sealed Power Valve Cover and Cylinder Heads provide both reliability and excellent performance. Choosing a Sealed Power Valve Cover and Cylinder Head from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
“You guys are always great”
Engine Rocker Arm Pivot
from $2.99
(1)
Engine Rocker Arm Pivot
“[…]”

FAQs for 1981 Buick Century Valve Cover and Cylinder Heads

What are the best-selling Valve Cover and Cylinder Heads for 1981 Buick Centuries?

Out of 47 Valve Cover and Cylinder Heads that fit 1981 Buick Centuries, the following parts are the top sellers:

What’s the price range for 1981 Buick Century Valve Cover and Cylinder Heads?

The prices of Valve Cover and Cylinder Heads for the 1981 Buick Century range from $0.43 up to $635.99 for the most premium parts.

What is the average price of a Valve Cover and Cylinder Head for a 1981 Buick Century?

The average price for Valve Cover and Cylinder Heads for the 1981 Buick Century is $152.82. Keep in mind the variety of part types within our Valve Cover and Cylinder Head category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Valve Cover and Cylinder Heads for other Buick Century model years?

Yes, we carry Valve Cover and Cylinder Heads for 36 model years of Buick Centuries between 1954 and 2005. The following model years are the most popular for Valve Cover and Cylinder Head purchases: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, and 1997.

What are the cheapest Valve Cover and Cylinder Heads for my 1981 Buick Century?

The cheapest 1981 Buick Century Valve Cover and Cylinder Heads we carry are:

Does Advance Auto Parts sell Valve Cover and Cylinder Heads for any other 1981 Buick models?

What are the top-rated Valve Cover and Cylinder Heads that fit the 1981 Buick Century?

The one 1981 Buick Century Valve Cover and Cylinder Head we have in stock is the Engine Valve Spring Retainer Keeper. It is rated 5 stars and costs $0.43.

What types of Valve Cover and Cylinder Heads do you sell for my 1981 Buick Century?

As of 6/2/26, these are some of the most in-demand types of Valve Cover and Cylinder Heads for a 1981 Buick Century:

Can I get help with 1981 Buick Century Valve Cover and Cylinder Head orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Buick Valve Cover and Cylinder Heads and more.

What is your return policy for Buick Century Valve Cover and Cylinder Heads?

Advance Auto Parts keeps returns simple. For new Buick Century Valve Cover and Cylinder Heads and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.