1981 Buick Century Performance Engines

Name: Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads
Brand: Edelbrock
SKU: 5703
Price: 69.99 USD

Keep Your 1981 Buick Century in Top Shape with Quality Performance Engines

Whether you’re repairing or upgrading your Performance Engine, 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 Performance Engine Cylinder Head Gaskets, Performance Engine Intake Manifold Gaskets, and Performance Water Outlets. 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 Performance Engines from Trusted Brands

Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like B & M. For example, B & M Performance Engines start at just $373.99 with an average 4.1 star rating. With over 200 reviews and a solid 4 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 Performance Engine at Advance Auto Parts is around $355.40, with a range that starts at $10.99 and goes up to $949.99. With 39 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Water Neck; Olds, and Lower Intake Manifold Gasket Set: 3 Piece Set start at just $26.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Distributors and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1981 Buick Century in peak condition, inside and out.

Looking for the perfect Performance Engine for your 1981 Buick Century? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Buick Century. Whether you’re driving a 1981 model or another popular model year like 1978, 1979, 1980, 1984, 1985, 1986, 1987, 1988, and 1989, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.

Essential 1981 Buick Century Performance Engines

from

$69.99

Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:

For Use With Cast Iron Heads
Springs Made of Highest Quality Spring Wire
Springs Precision Wound To Close Tolerances
Use with Original Equipment Heads Only

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$159.99

Complete kit includes retainers and locks. Springs made of highest quality spring wire. Springs precision wound to close tolerances. Includes superior quality steel retainers. Includes 7 degree heat-treated valve stem locks. Retainers and locks are black oxide coated. Non-rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:

Complete Kit: Includes Retainers And Locks
Springs Made of Highest Quality Spring Wire
Springs Precision Wound To Close Tolerances
Includes Superior Quality Steel Retainers
Includes 7 deg. Heat-Treated Valve Stem Locks
Retainers and Locks Black Oxide Coated
Non-Rotator Style: Dyno Tested and Street Proven
Great Match to Edelbrock Camshaft Kit

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$302.99

Product Features:

Designed for Optimum Torque and Acceleration
Maximum Performance From Idle through Mid-Range
Matched to Edelbrock Performer Intakes
Includes Hydraulic Lifters and Assembly Lube
Major Improvement in Throttle Response and Torque
Use For Daily Drivers/Trucks/Vans/RVs/4x4s
Take The Guesswork Out Of Camshaft Selection

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$449.99

Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.

Product Features:

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

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$165.99

Magnum Pushrods from COMP Cams offer an affordable solution for your .080″ wall chromemoly pushrod needs. Designed to withstand the stresses of a high performance engine, Magnum Pushrods are head-treated for extended durability and have precision formed, reinforced ends. Magnum Pushrods are black-oxide finished with their part number and length laser etched onto the surface for easy identification.

Product Features:

3/8″ Diameter, 7.800″ Length
Magnum Pushrods for Small Block Chevy
One-piece .080″ wall chromemoly steel tubing
Heat-treated for extended durability and guide plate compatibility
Precision formed and reinforced pushrod end

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$199.99

Product Features:

Case-Hardened Tubing
Welded Ends
5/16 in. Diameter
Use with or without Hardened Steel Guideplates

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$549.99

HoleShot 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:

Furnace Brazed Impeller
Steel Alloy Pump Drive Tube
Heavy Duty Needle Bearing
Between Stator and Turbine
Furnace Brazed Turbine

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$899.99

Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

Product Features:

2800-3200 RPM
Small And Big Blocks
Serious Performance
Furnace Brazed
Fully Balanced

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$899.99

HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c

Product Features:

Furnace Brazed Impeller
Steel Alloy Pump Drive Tube
Heavy Duty Needle Bearing
Between Stator and Turbine
Furnace Brazed Turbine

from

$29.99

Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:

Opens At 180 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

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$31.99

Opens At 195 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

from

$29.49

Opens at 160 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully opens at Correct Temperature Consistently Regardless of engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

from

$28.99

Product Features:

Clean Positive Seal
Embossed Silicone Bead Surrounding The Port
Matched To Manifolds And Cylinder Heads

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$44.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

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$34.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

Fel-Pro performance intake manifold gaskets have been tested with virtually all aftermarket cylinder head and intake manifold combinations.
No exhaust crossover openings or blocking shields
Embossed steel core laminate w/coating
Not intended for use in emission controlled vehicles.

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$298.99

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

from

$341.99

Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.

Product Features:

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

from

$350.99

Excellent performance in street carbureted applications.
More vacuum allows an increase in duration for improved performance and assists power brakes.
Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.

from

$26.99

Spectre’s Oldsmobile V8 water neck fits Oldsmobile 330, 350, 425 and 455 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck has an additional by-pass hose connection and includes the bolts.

Product Features:

Fits Oldsmobile 330, 350, 425 and 455 engines
Chrome plated
Bolts included
Designed for OEM fit
Easy to install
O-ring/gasket not included

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$51.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
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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$37.99

Mr. Gasket Steel Shim Cylinder Head Gaskets are for high performance street machines, drag racing and oval track racing. With today’s extreme compression ratios you need stronger more durable gaskets. Mr. Gasket steel shim gaskets are made from .020 inch steel shim stock which is thinner than most composite gaskets increasing engine compression. Stress formed embossments will seal the extreme cylinder pressure.

Product Features:

Manufactured from .020″ steel shim stock.
Thinner than composition head gaskets – increases engine compression.
Stress formed embossments seal extreme cylinder pressures.
For high performance street, drag race and oval track use.

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$109.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:

PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
SUPERIOR SEAL – Precise embossed Printo seal sealing beads at all vital areas to eliminate leak paths
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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$44.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
Raises combustion sealing force to roughly three times that of standard head gaskets.
Steel wire rings for the greatest combustion seal strength.
Not intended for use in emission controlled vehicles.

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$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

from

$106.99

Product Features:

Use W/ Valve Springs Part #5822, 5882, 5896, 5872, 5867, 5812, 5857
Set of 16
1.50 in. Outside Diameter
Steel Material
Black Oxide Finish

Popular 1981 Buick Century Performance Engines Categories

Performance Engine Coolant Thermostats

Performance Water Outlets

Performance Engine Cylinder Head Gaskets

Performance Engine Camshaft and Lifter Kits

Performance Engine Intake Manifold Gaskets

Performance Engine Valve Springs

Performance Engine Camshafts

Performance Engine Valve Lifters

Performance Engine Push Rods

Performance Engine Valve Spring Retainer

Performance Torque Converters

Most Popular Performance Engine Cylinder Head Gasket for 1981 Buick Centuries

Enhance your 1981 Buick Century with this popular Performance Engine Cylinder Head Gasket we have in stock, for $61.99.

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$61.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:

Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
Raises combustion sealing force to roughly three times that of standard head gaskets.
Steel wire rings for the greatest combustion seal strength.
Not intended for use in emission controlled vehicles.

Best-Selling 1981 Buick Century Performance Engine Intake Manifold Gasket

Upgrade your Century with our best-selling Performance Engine Intake Manifold Gasket.

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from

$32.99

Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:

DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted

Top-Quality Performance Water Outlets for 1981 Buick Centuries

Choose a high-quality OEM or aftermarket Performance Water Outlet for Buick Centuries and enjoy top-notch performance from $26.99.

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from

$26.99

Fits Oldsmobile 330, 350, 425 and 455 engines
Chrome plated
Bolts included
Designed for OEM fit
Easy to install
O-ring/gasket not included

Top Picks for 1981 Buick Century Performance Engine Camshafts

Invest in one of our 3 durable Performance Engine Camshafts for your 1981 Buick, knowing you’re getting trusted brands and expert craftsmanship.

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from

$341.99

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

from

$341.99

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

from

$341.99

Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
Best with aftermarket converters and more rear gear.
Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.

Top-Rated Performance Engine Coolant Thermostats for 1981 Buick Centuries

Make a smart move for your 1981 Buick Century with products all priced from $29.49 to $31.99.

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from

$29.99

Opens At 180 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

from

$29.49

Opens at 160 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully opens at Correct Temperature Consistently Regardless of engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

from

$31.99

Opens At 195 Degrees
Designed to Resist Large Variations of Coolant Pressure at High RPM
Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
For High Performance Street, Drag Race, and Oval Track
Copper & Brass Construction – Resists Corrosion
High Flow

Top-Rated Performance Engine Brands For Your 1981 Buick Century

When it comes to finding the perfect Performance Engine for your 1981 Buick Century, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 trusted brands. We carry the most popular Performance Engine brands including B & M, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $373.99. Purchasing a Performance Engine 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 B & M 1981 Buick Century Performance Engines

If you’re looking for a top-quality Performance Engine for your 1981 Buick Century, Advance Auto Parts has exactly what you need with our selection of B & M Performance Engines. We have 1 B & M Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $373.99, you’ll find the perfect Performance Engine for your needs and budget. B & M Performance Engines for the 1981 Buick Century come highly rated, with over 1 customer reviews and an impressive average rating of 4.1 stars. Choosing a B & M Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

from $373.99

(1)

Tork Master 2400

“The B&M 2400 stall converter was a great choice for my application. It works well on the street and track, increased performance by leaps and bounds. ”

FAQs for 1981 Buick Century Performance Engines

What are the best-selling Performance Engines for 1981 Buick Centuries?

Out of 39 Performance Engines that fit 1981 Buick Centuries, the following parts are the top sellers:

High Performance Thermostat (22903641) – $31.99
Water Neck; Olds (22905408) – $26.99
Lower Intake Manifold Gasket Set: 3 Piece Set (19781715) – $32.99

What’s the price range for 1981 Buick Century Performance Engines?

The prices of Performance Engines for the 1981 Buick Century range from $10.99 up to $949.99 for the most premium parts.

What is the average price of a Performance Engine for a 1981 Buick Century?

The average price for Performance Engines for the 1981 Buick Century is $355.40. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Engines for other Buick Century model years?

Yes, we carry Performance Engines for 21 model years of Buick Centuries between 1957 and 1995. The following model years are the most popular for Performance Engine purchases: 1989, 1988, 1987, 1986, 1985, 1984, 1980, 1979, and 1978.

What are the cheapest Performance Engines for my 1981 Buick Century?

The cheapest 1981 Buick Century Performance Engines we carry are:

7 Degree Steel Retainer for 3/8" Valves with 1.500"-1.550" Spring (50289506) – $10.99
10 Degree Superlock Steel Retainer for 1.437"-1.500" OD Valve Spring (50289470) – $10.99
10 Degree Steel Retainer for 26120 Beehive Spring (50289146) – $10.99
7 Degree Steel Retainer for 11/32" Valves with 1.500"-1.550" Spring (50289132) – $10.99
High Energy Hydraulic Flat Lifter for Oldsmobile 260-455 and Pontiac 265-455 (50286484) – $13.99

Does Advance Auto Parts sell Performance Engines for any other 1981 Buick models?

Yes. We stock Performance Engines for 5 other popular 1981 Buick models. Some of the most popular are 1981 Regal Performance Engines, 1981 LeSabre Performance Engines, 1981 Skylark Performance Engines, 1981 Riviera Performance Engines, and 1981 Electra Performance Engines.

What types of Performance Engines do you sell for my 1981 Buick Century?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1981 Buick Century:

Can I get help with 1981 Buick Century Performance Engine orders?

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

What is your return policy for Buick Century Performance Engines?

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

1981 Buick Century Performance Engines

Edelbrock – Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads (Part No.5703)

Edelbrock – Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95 (Part No.5794)

Edelbrock – Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet (Part No.2102)

Competition Cams – Xtreme Energy 230/236 Hydraulic Flat Cam and Lifter Kit (Part No.CL42-224-4)

Competition Cams – Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set (Part No.7513-16)

Edelbrock – Pushrod Set for S/B Chevy (Part No.9630)

B & M – Holeshot 2400 (Part No.20412)

B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)

B & M – Holeshot 3000 (Part No.20413)

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

Mr. Gasket – High Performance Thermostat (Part No.4365)

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

Edelbrock – Intake Manifold Gasket for 1958-1986 Small-Block Chevy (Part No.7201)

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 4 Piece Set (Part No.1357)

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 2 Piece Set (Part No.1270)

Competition Cams – Xtreme Energy 206/212 Hydraulic Flat Cam (Part No.51-220-4)

Competition Cams – Mutha’ Thumpr 234/249 Hydraulic Flat Cam (Part No.42-601-5)

Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam (Part No.42-222-4)

Spectre – Water Neck; Olds (Part No.4733)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)

Mr. Gasket – Head Gasket (Part No.1130G)

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1125)

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

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

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1000)

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 3 Piece Set (Part No.1200)

Spectre – Water Neck; Olds (Part No.4733)

Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Flat Cam (Part No.51-601-5)

Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam (Part No.51-602-5)

Competition Cams – Thumpr 227/241 Hydraulic Flat Cam (Part No.51-600-5)

Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

Mr. Gasket – High Performance Thermostat (Part No.4365)