1984 Oldsmobile 98 Valve Cover and Cylinder Heads

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Keep Your 1984 Oldsmobile 98 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 1984 Oldsmobile 98 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Rocker Arm Shafts, Rocker Arm Shaft Plugs, and Valve Covers. 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. For example, Sealed Power Valve Cover and Cylinder Heads start at just $0.43 with an average 4.3 star rating. With over 14 reviews and a solid 5 star average, you can shop with confidence knowing other Oldsmobile 98 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1984 Oldsmobile 98 Valve Cover and Cylinder Head at Advance Auto Parts is around $183.05, with a range that starts at $0.43 and goes up to $506.99. With 26 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like Rubber Expansion Plug 1-1/2" – Size Range 1-1/2" – 1-5/8" (Sold by each), Steel Cup Expansion Plug 1-1/2 In., Height 0.480, and Engine Rocker Arm Bridge start at just $2.49 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 1984 Oldsmobile 98 in peak condition, inside and out.

Essential 1984 Oldsmobile 98 Valve Cover and Cylinder Heads

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
See More

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

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 – 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 – 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
See More

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
See More

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

from

$0.43
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 – 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

Competition Cams – Super Valve Locks, 11/32" 1 St (Part No.611-16)

Super Valve Locks, 11/32" 1 St

from

$479.99
Inside tang-to-taper relationship held tightly for repeatable valve spring installed heights

Product Features:
  • For simplicity, any Super Lock fits any COMP Cams 10° retainer – just choose the correct lock for you valve size and application
  • Super Locks are recommended in all race applications
See More

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-291)

Engine Valve Spring Retainer Keeper

from

$0.65
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 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

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

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

ACDelco – Engine Hydraulic Valve Adjuster/Valve Lifter (Part No.HL124)

Engine Hydraulic Valve Adjuster/Valve Lifter

from

$55.99
ACDelco GM Original Equipment Engine Valve Lifters automatically help maintain a ‘zero’ valve lash condition to help prevent valve train noise and unnecessary valve train component wear, and are GM-recommended replacements for your vehicle’s original components. These original equipment valve lifters have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Adjusts the valves on your vehicle’s engine for proper performance
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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 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

Spartan – Engine Cylinder Head; Buick 231/3.0 Cyl Head (Part No.2B01)

Engine Cylinder Head; Buick 231/3.0 Cyl Head

from

$344.99
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
See More

Spartan – Engine Cylinder Head; Olds 350 77-80 Cyl Head (Part No.2O04)

Engine Cylinder Head; Olds 350 77-80 Cyl Head

from

$397.99
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
See More

Edelbrock – RPM Pontiac Cylinder Head 72 cc Hydraulic Flat Tappet Camshaft (Part No.60599)

RPM Pontiac Cylinder Head 72 cc Hydraulic Flat Tappet Camshaft

from

$1365.99
Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Maximize Performance w/Low-Octane Fuel
  • Maximize Streetable Compression
  • Patterned After The Ram Air IV Pontiac Cyl. Head
See More

Spartan – Engine Cylinder Head; Buick 3800 90-92 Cyl Head (Part No.2B45)

Engine Cylinder Head; Buick 3800 90-92 Cyl Head

from

$337.99
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
See More

Spartan – Engine Cylinder Head; Buick 231/3.8 Cyl Head (Part No.2B21)

Engine Cylinder Head; Buick 231/3.8 Cyl Head

from

$327.99
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
See More

Edelbrock – RPM Pontiac CNC Chamber 87cc Bare (Part No.60609)

RPM Pontiac CNC Chamber 87cc Bare

from

$1074.00
The Edelbrock No. 60609 Performer RPM CNC Bare Cylinder Head has the same specifications as our popular Performer RPM cylinder head for 1962-79 389-455 c.i.d. Pontiac engines, but feature a CNC machined combustion chamber. The CNC machined chamber results in a consistent and precise chamber for improved flow performance. Performer RPM CNC cylinder head is available in two chamber sizes. The 87cc chamber version is ideal for 9.5:1 engines and will deliver excellent street performance on low octane fuel. The Edelbrock No. 60609 Performer RPM CNC cylinder head is patterned after the same port flange configuration as the 1969-1970 Ram-Air IV Pontiac Cylinder Head.
See More

Spartan – Engine Cylinder Head; Buick 231 93-95 Cyl Head (Part No.2B51)

Engine Cylinder Head; Buick 231 93-95 Cyl Head

from

$338.99
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
See More

Edelbrock – RPM Pontiac Cylinder Head 72cc Bare (Part No.60589)

RPM Pontiac Cylinder Head 72cc Bare

from

$914.99
Product Features:
  • Bare Single For Hydraulic Roller
  • 72cc Combustion Chamber Volume
  • 215cc Intake/175cc Exhaust Runner Volume
  • 2.11 in. Intake/1.66 in. Exhaust Valve Diameter
  • 0.625 in. Deck Thickness
See More

Spartan – Engine Cylinder Head; Buick 231 95-09 Cyl Head (Part No.2B55)

Engine Cylinder Head; Buick 231 95-09 Cyl Head

from

$282.99
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
See More

Spartan – Engine Cylinder Head; Olds 307 80-84 Cyl Head (Part No.2O06)

Engine Cylinder Head; Olds 307 80-84 Cyl Head

from

$368.99
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
See More

Edelbrock – RPM Pro Port Pontiac Cylinder Head 72cc Bare (Part No.60509)

RPM Pro Port Pontiac Cylinder Head 72cc Bare

from

$976.99
Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Maximize Performance w/Low-Octane Fuel
  • Maximize Streetable Compression
  • Patterned After The Ram Air IV Pontiac Cyl. Head
See More

Spartan – Engine Cylinder Head; Buick 231/3.0 Cyl Head (Part No.2B35)

Engine Cylinder Head; Buick 231/3.0 Cyl Head

from

$344.99
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
See More

Most Popular Rocker Arm Shaft for 1984 Oldsmobile 98s

Enhance your 1984 Oldsmobile 98 with this popular Rocker Arm Shaft we have in stock, for $2.49.

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

Best-Selling 1984 Oldsmobile 98 Rocker Arm Shaft Plugs

Upgrade your 98 with one of our 2 best-selling Rocker Arm Shaft Plugs.

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
See More

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

Top-Quality Valve Covers for 1984 Oldsmobile 98s

Choose a high-quality OEM or aftermarket Valve Cover for Oldsmobile 98s and enjoy top-notch performance from $136.99.

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
See More

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
See More

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
See More

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
See More

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
See More

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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Top Picks for 1984 Oldsmobile 98 Engine Valve Locks

Invest in one of our 6 durable Engine Valve Locks for your 1984 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

from

$0.43
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 – Super Valve Locks, 11/32" 1 St (Part No.611-16)

Super Valve Locks, 11/32" 1 St

from

$479.99
Inside tang-to-taper relationship held tightly for repeatable valve spring installed heights

Product Features:
  • For simplicity, any Super Lock fits any COMP Cams 10° retainer – just choose the correct lock for you valve size and application
  • Super Locks are recommended in all race applications
See More

Competition Cams – Set of 100 – 10 Degree, 11/32", Single Groove Locks with Lash Cap Recess (Part No.611-100)

Set of 100 - 10 Degree, 11/32", Single Groove Locks with Lash Cap Recess

from

$261.99
Set of 100 – 10 Degree, 11/32", Single Groove Locks with Lash Cap Recess

Competition Cams – Hardened Steel Set of 16 – 7 Degree, 11/32", Single Groove Street Locks (Part No.601-16)

Hardened Steel Set of 16 - 7 Degree, 11/32", Single Groove Street Locks

from

$21.99
Hardened Steel Set of 16 – 7 Degree, 11/32", Single Groove Street Locks

Competition Cams – 10 Degree, 11/32", Single Groove Lock with Lash Cap Recess (Part No.611-1)

10 Degree, 11/32", Single Groove Lock with Lash Cap Recess

from

$6.99
10 Degree, 11/32", Single Groove Lock with Lash Cap Recess

Competition Cams – Hardened Steel 7 Degree, 11/32", Single Groove Street Lock (Part No.601-1)

Hardened Steel 7 Degree, 11/32", Single Groove Street Lock

from

$5.99
Hardened Steel 7 Degree, 11/32", Single Groove Street Lock

Top-Rated Engine Valve Lifters for 1984 Oldsmobile 98s

Make a smart move for your 1984 Oldsmobile 98 with products all priced from $9.99 to $15.99.

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

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.

Top-Rated Valve Cover and Cylinder Head Brands For Your 1984 Oldsmobile 98

When it comes to finding the perfect Valve Cover and Cylinder Head for your 1984 Oldsmobile 98, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Valve Cover and Cylinder Head brands including Sealed Power, and more, all known for their exceptional customer ratings (average brand rating of 4.3 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 1984 Oldsmobile 98, providing peace of mind with parts that meet or exceed OEM standards.

Popular Sealed Power 1984 Oldsmobile 98 Valve Cover and Cylinder Heads

If you’re looking for a top-quality Valve Cover and Cylinder Head for your 1984 Oldsmobile 98, Advance Auto Parts has exactly what you need with our selection of Sealed Power Valve Cover and Cylinder Heads. We have 3 Sealed Power Valve Cover and Cylinder Heads in stock for this fitment, all known for their durability and precision fit. With prices starting at just $0.43 and an average cost of $4.47, you’ll find the perfect Valve Cover and Cylinder Head for your needs and budget. Sealed Power Valve Cover and Cylinder Heads for the 1984 Oldsmobile 98 come highly rated, with over 4 customer reviews and an impressive average rating of 4.3 stars. Choosing a Sealed Power Valve Cover and Cylinder Head from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Rocker Arm Pivot
from $2.99
(1)
Engine Rocker Arm Pivot
“[…]”
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
“You guys are always great”
Engine Valve Lifter
from $9.99
(1)
Engine Valve Lifter
“the lifters worked great and were easy to install thanks for the help.”

FAQs for 1984 Oldsmobile 98 Valve Cover and Cylinder Heads

What are the best-selling Valve Cover and Cylinder Heads for 1984 Oldsmobile 98s?

Out of 26 Valve Cover and Cylinder Heads that fit 1984 Oldsmobile 98s, the following parts are the top sellers:

What’s the price range for 1984 Oldsmobile 98 Valve Cover and Cylinder Heads?

The prices of Valve Cover and Cylinder Heads for the 1984 Oldsmobile 98 range from $0.43 up to $506.99 for the most premium parts.

What is the average price of a Valve Cover and Cylinder Head for a 1984 Oldsmobile 98?

The average price for Valve Cover and Cylinder Heads for the 1984 Oldsmobile 98 is $183.05. 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 Oldsmobile 98 model years?

Yes, we carry Valve Cover and Cylinder Heads for 45 model years of Oldsmobile 98s between 1950 and 1996. The following model years are the most popular for Valve Cover and Cylinder Head purchases: 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, and 1988.

What are the cheapest Valve Cover and Cylinder Heads for my 1984 Oldsmobile 98?

The cheapest 1984 Oldsmobile 98 Valve Cover and Cylinder Heads we carry are:

Does Advance Auto Parts sell Valve Cover and Cylinder Heads for any other 1984 Oldsmobile models?

What are the top-rated Valve Cover and Cylinder Heads that fit the 1984 Oldsmobile 98?

Based on 14 reviews by customers, our 1984 Oldsmobile 98 Valve Cover and Cylinder Heads have an average customer rating of 5 stars. These are the highest-rated categories of Valve Cover and Cylinder Heads for the 1984 Oldsmobile 98 and their top-rated products:

What types of Valve Cover and Cylinder Heads do you sell for my 1984 Oldsmobile 98?

As of 6/2/26, these are some of the most in-demand types of Valve Cover and Cylinder Heads for a 1984 Oldsmobile 98:

Can I get help with 1984 Oldsmobile 98 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 Oldsmobile Valve Cover and Cylinder Heads and more.

What is your return policy for Oldsmobile 98 Valve Cover and Cylinder Heads?

Advance Auto Parts keeps returns simple. For new Oldsmobile 98 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.