1981 Buick Regal Performance Engines

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Keep Your 1981 Buick Regal 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 Regal looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Intake Manifold Gaskets, Performance Engine Cylinder Head Gaskets, and Performance Timing Set. 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 $399.99 with an average 4.3 star rating. With over 76 reviews and a solid 4.8 star average, you can shop with confidence knowing other Buick Regal owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1981 Buick Regal Performance Engine at Advance Auto Parts is around $452.50, with a range that starts at $31.99 and goes up to $921.99. With 16 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like Competition Cams Valve Seals, 503-16, B & M Performance Torque Converter For Gm Th400, 350, & 375 Transmissions, 20400, and FEL-PRO Performance PERFORMANCE INTAKE MANIFOLD GASKET SET, 1200 start at just $32.99 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 Ignition Products. At Advance Auto Parts, we’re here to help you keep your 1981 Buick Regal in peak condition, inside and out.

Essential 1981 Buick Regal Performance Engines

FEL-PRO Performance – FEL-PRO Performance PERFORMANCE INTAKE MANIFOLD GASKET SET, 1200 (Part No.1200)

FEL-PRO Performance PERFORMANCE INTAKE MANIFOLD GASKET SET, 1200

from

$32.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
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Mr. Gasket – Mr. Gasket Intake Gasket, 143 (Part No.143)

Mr. Gasket Intake Gasket, 143

from

$51.99
Mr. Gasket Performance Intake Gaskets are manufactured from cellulose/nitrile composition gasket material. This is a low density material that conforms well to irregular surfaces and has very good crush resistance at high flange pressures. They provide excellent sealing and durability as the material is designed for sealing gasoline, oils, water and coolant in applications up to 350 degrees Fahrenheit. While die-cut for an excellent fit, they can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track.
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Competition Cams – Competition Cams XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit, CL12-249-4 (Part No.CL12-249-4)

Competition Cams XE Computer Control 206/212 Hydraulic Flat Cam/Lifter Kit, CL12-249-4

from

$397.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy Computer Controlled: Great in throttle body, crossfire or carbureted engine and 305 TPI.
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Competition Cams – Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2 (Part No.12-211-2)

Competition Cams Magnum 224/224 Hydraulic Flat Cam, 12-211-2

from

$293.99
HYDRAULIC – Magnum: High performance. Biggest cam with stock converter but better with 2000+ stall. Use lower gears. Mild rough idle.
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FEL-PRO Performance – FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1010 (Part No.1010)

FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1010

from

$51.99
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.
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Edelbrock – Edelbrock Cylinder Head Gasket Set, 7346 (Part No.7346)

Edelbrock Cylinder Head Gasket Set, 7346

from

$76.99
“Edelbrock part No: 7346 head gasket is intended for 400-455 C.I.D. Buick V8 engines. This gasket comes as a set and has a 4.400″” bore size, .050″” compressed thickness and 12.5 cc volume.”
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FEL-PRO Performance – FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1004 (Part No.1004)

FEL-PRO Performance Steel core laminate Engine Cylinder Head Gasket, 1004

from

$44.99
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.
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Competition Cams – Competition Cams High Energy/Marine 218/218 Hydraulic Flat Cam/Lifter Kit, CL12-210-2 (Part No.CL12-210-2)

Competition Cams High Energy/Marine 218/218 Hydraulic Flat Cam/Lifter Kit, CL12-210-2

from

$898.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – High Energy: Good street performance with stock converter, choppy idle. OR High Energy Marine: Biggest cam for inboard/outboard. Good for ski, economy and light performance.
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Competition Cams – Competition Cams Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit, CL51-600-5 (Part No.CL51-600-5)

Competition Cams Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit, CL51-600-5

from

$451.99
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.
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Competition Cams – Competition Cams Magnum 252/252 Hydraulic Roller Cam and Lifter Kit, CL12-470-8 (Part No.CL12-470-8)

Competition Cams Magnum 252/252 Hydraulic Roller Cam and Lifter Kit, CL12-470-8

from

$1210.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
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Competition Cams – Competition Cams Valve Seals, 503-16 (Part No.503-16)

Competition Cams Valve Seals, 503-16

from

$223.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.
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Competition Cams – "Competition Cams Valve Seals, Umbrella 11/32"" 1 St, 502-16" (Part No.502-16)

"Competition Cams Valve Seals, Umbrella 11/32"" 1 St, 502-16"

from

$20.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.
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Competition Cams – Competition Cams Magnum/Marine 244/244 Hydraulic Flat Cam, 42-236-4 (Part No.42-236-4)

Competition Cams Magnum/Marine 244/244 Hydraulic Flat Cam, 42-236-4

from

$309.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts.
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Competition Cams – Competition Cams Xtreme Energy 248/254 Hydraulic Roller Cam, 12-444-8 (Part No.12-444-8)

Competition Cams Xtreme Energy 248/254 Hydraulic Roller Cam, 12-444-8

from

$577.99
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.
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Competition Cams – Competition Cams Magnum/Drag Race 253/253 Hydraulic Flat Cam, 12-214-4 (Part No.12-214-4)

Competition Cams Magnum/Drag Race 253/253 Hydraulic Flat Cam, 12-214-4

from

$309.99
HYDRAULIC – Magnum: Pro Street/bracket, limited street driving. Intake, gears, 3500+ stall. Racy idle. 10.5:1 compression. OR Drag Race: 3500-4000 stall or 4 speed with 11:1+ compression.
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B & M – B & M Holeshot 3000, 20413 (Part No.20413)

B & M Holeshot 3000, 20413

from

$921.99
This Holeshot 3000 fits 1965-91 GM TH400, 425, 375 and 1968-81 TH350, 375B (not 350C). Holeshot torque converters are for serious-minded performance enthusiasts and offer additional strength and durability features not found in our Tork Master or Traveler series of converters. The Holeshot 3000 converter is an excellent choice for vehicles with some performance engine modifications, particularly big cams that tend to reduce low-end power and torque. The higher stall speed of this converter will launch the car in a higher rpm range where more torque is readily available, resulting in quicker acceleration. Holeshot converters feature furnace brazed impeller fins and turbine, new precision alloy impeller hub and new heavy duty needle bearings. Other features include fully balanced and pressure tested by expert technicians. If your vehicle is equipped with a plate type nitrous system or supercharger, please refer to the Nitrous Holeshot line of converters. Notes: Stall speed listings are based on engines producing 230lb. ft. of torque at 2,500 rpm. More torque at 2,500 rpm will give you more stall speed, less torque at 2,500 rpm will give you less stall speed than the stall speed ratings indicated. Higher stall converters can generate more heat, so we highly recommend adding a transmission cooler. This converter is Not recommended for supercharged, plate-type nitrous oxide or trans-brake applications. The product images shown are for illustration purposes only and may not be an exact representation of the product. Has both 10.75 and 11.50-inch bolt circles.
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B & M – B & M Tork Master 2400, 70418 (Part No.70418)

B & M Tork Master 2400, 70418

from

$499.99
The Tork Master 2400 fits 1984-93 GM 700R4/4L60 w/30 spline input, 1993-1996 4L60E w/30 spline input transmissions. This converter retains the lock-up feature. Don’t let the exceptional value fool you into thinking Tork Master Converters are not packed with lots of quality features, making them the best value-priced street performance converters money can buy. These converters perform best when paired with stock to modified engines up to 350hp/350 ft lbs of torque, and lighter weight applications, like street rods. The Tork Master will provide noticeably quicker launches and harder acceleration while maintaining normal daily driving qualities. Upgrades like a new precision alloy steel pump drive tube, needle thrust bearing when factory equipped, new thrust washer between turbine and cover when required, and pressure tested and fully balanced by expertly trained technicians. Notes: Higher stall converters can generate more heat, so we highly recommend adding a transmission cooler. Not recommended for big block, supercharged, plate-type nitrous oxide or trans-brake applications. The product images shown are for illustration purposes only and may not be an exact representation of the product. 10.75 in. bolt circle
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B & M – B & M Torque Converter, Holeshot 2000, 70417 (Part No.70417)

B & M Torque Converter, Holeshot 2000, 70417

from

$675.99
This Holeshot 2000 fits 1984-93 GM 700R4/4L60 w/30 spline input, 1993-1997 4L60E w/30 spline input, and 1997-04 Corvettes. This converter retains the lock-up feature. Holeshot torque converters are for serious-minded performance enthusiasts and offer additional strength and durability features not found in our Tork Master or Traveler series of converters. The Holeshot 2000 converter is an excellent choice for vehicles with some performance engine modifications, particularly big cams that tend to reduce low-end power and torque. The higher stall speed of this converter will launch the car in a higher rpm range where more torque is readily available, resulting in quicker acceleration. Holeshot converters feature furnace-brazed impeller fins and turbine, a new precision alloy impeller hub, and new heavy-duty needle bearings. Other features include fully balanced and pressure tested by expert technicians. If your vehicle is equipped with a plate-type nitrous system or supercharger, please refer to the Nitrous Holeshot line of converters. Notes: Stall speed listings are based on engines producing 230lb. ft. of torque at 2,500 rpm. More torque at 2,500 rpm will give you more stall speed, and less torque at 2,500 rpm will give you less stall speed than the stall speed ratings indicated. Higher stall converters can generate more heat, so we highly recommend adding a transmission cooler. This converter is Not recommended for supercharged, plate-type nitrous oxide, or trans-brake applications. The product images shown are for illustration purposes only and may not be an exact representation of the product. 10.75-inch bolt circle
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Competition Cams – Competition Cams TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA, 3100 (Part No.3100)

Competition Cams TIMING SET, HIGH TECH SMALL BLOCK CHEVY 1 EA, 3100

from

$88.99
COMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for 4° incremental adjustability with 4° maximum advance or retard. These timing sets are dynamically balanced and quality checked for run-out tolerances.
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Competition Cams – Competition Cams High Energy Timing Set, 3200 (Part No.3200)

Competition Cams High Energy Timing Set, 3200

from

$66.99
COMP Cams High Energy Timing Chain Sets include precision cast iron camshaft and crank gear sprockets and premium quality link belt type timing chain. These sets exceed all original equipment timing chain specifications and are ideal for stock replacement and mild performance applications.
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Edelbrock – Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7829 (Part No.7829)

Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7829

from

$96.99
Edelbrock part No: 7829 Performer-Link timing chain is for use with Edelbrock or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. Cam sprockets are made from 35,000 psi tensile strength cast iron. Crank sprockets are made from billet SAE-1144 steel and induction heat treated. Four Performer-Link sets are stock replacement parts and 50-state legal (see listings in bold type). All other sets have three keyway setting points to ensure accurate timing selection for early or late-model vehicles. Performer-Link timing sets are not for use above 6500 rpm. Performer roller chain sets are engineered to operate up to 6500 rpm. Never hammer directly on chain or sprockets. You can crack the hardened links and pins and cause early failures. Use a sleeve for installations that require hammering, a brass drift punch may be used if you carefully alternate blows on either side of the sprocket to avoid cocking. Never stretch the chain with a screwdriver. Check for clearance between the timing chain and block and between the chain and front cover before reassembly. Be sure that both cam and crank sprockets are exactly in line with each other. Misalignment can cause chain to break.
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Competition Cams – "Competition Cams Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16"" Stud, 1605-16" (Part No.1605-16)

"Competition Cams Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16"" Stud, 1605-16"

from

$523.99
“Competition Cams Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16″” Stud, 1605-16. ”
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Competition Cams – Competition Cams MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST, 1412-16 (Part No.1412-16)

Competition Cams MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST, 1412-16

from

$217.99
“These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 applications are the ultimate street rocker. With a 3/8″” stud diameter and 1.52 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other rocker arms, Magnum Roller Rockers are perfect for performance applications with less than 350 lbs. open spring pressure. Don’t accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.”
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Competition Cams – Competition Cams Rocker Arms, Ultra Gold Small Block Chevy 1.6 1 St, 19002-16 (Part No.19002-16)

Competition Cams Rocker Arms, Ultra Gold Small Block Chevy 1.6 1 St, 19002-16

from

$407.99
“These COMP Cams Ultra-Gold Aluminum Roller Rocker Arms with a 3/8″” stud diameter and 1.6 ratio are designed for Chevrolet V8 265-400 applications. The new modern design features of these Ultra-Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra-Gold Aluminum Rocker Arms are precision CNC-machined to strict tolerances. Developed to meet the demands of professional engine builders, these rockers include features never before possible in an aluminum rocker arm.”
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Mr. Gasket – Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363 (Part No.4363)

Mr. Gasket High Performance Thermostat - 160 Degree Brass & Copper, 4363

from

$31.99
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.
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Most Popular Performance Engine Intake Manifold Gasket for 1981 Buick Regals

Enhance your 1981 Buick Regal with this popular Performance Engine Intake Manifold Gasket we have in stock, for $32.99.

FEL-PRO Performance – FEL-PRO Performance PERFORMANCE INTAKE MANIFOLD GASKET SET, 1200 (Part No.1200)

FEL-PRO Performance PERFORMANCE INTAKE MANIFOLD GASKET SET, 1200

from

$32.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
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Best-Selling 1981 Buick Regal Performance Engine Cylinder Head Gasket

Upgrade your Regal with our best-selling Performance Engine Cylinder Head Gasket.

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

FEL-PRO Performance Performance Cylinder Head Gasket, 1000

from

$61.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.
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Top-Quality Performance Timing Set for 1981 Buick Regals

Choose a high-quality OEM or aftermarket Performance Timing Set for Buick Regals and enjoy top-notch performance from $96.99.

Edelbrock – Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7829 (Part No.7829)

Edelbrock Performer-Link Adjustable True-Roller Timing Chain Set, 7829

from

$96.99
Edelbrock part No: 7829 Performer-Link timing chain is for use with Edelbrock or stock cams. They have a solid-bushing chain for a true bearing surface that rolls with the sprockets, eliminating chain stretch. Cam sprockets are made from 35,000 psi tensile strength cast iron. Crank sprockets are made from billet SAE-1144 steel and induction heat treated. Four Performer-Link sets are stock replacement parts and 50-state legal (see listings in bold type). All other sets have three keyway setting points to ensure accurate timing selection for early or late-model vehicles. Performer-Link timing sets are not for use above 6500 rpm. Performer roller chain sets are engineered to operate up to 6500 rpm. Never hammer directly on chain or sprockets. You can crack the hardened links and pins and cause early failures. Use a sleeve for installations that require hammering, a brass drift punch may be used if you carefully alternate blows on either side of the sprocket to avoid cocking. Never stretch the chain with a screwdriver. Check for clearance between the timing chain and block and between the chain and front cover before reassembly. Be sure that both cam and crank sprockets are exactly in line with each other. Misalignment can cause chain to break.
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Our Top Pick for a 1981 Buick Regal Performance Engine Rocker Arm

Invest in a durable Performance Engine Rocker Arm for your 1981 Buick, knowing you’re getting trusted brands and expert craftsmanship.

Competition Cams – "Competition Cams Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16"" Stud, 1605-16" (Part No.1605-16)

"Competition Cams Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16"" Stud, 1605-16"

from

$523.99
“Competition Cams Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16″” Stud, 1605-16. ”
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Our Top-Rated Performance Engine Coolant Thermostats for 1981 Buick Regals

Make a smart move for your 1981 Buick Regal with our Performance Engine Coolant Thermostat for $31.99.

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

Mr. Gasket High Performance Thermostat - 160 Degree Brass & Copper, 4363

from

$31.99
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.
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Top-Rated Performance Engine Brands For Your 1981 Buick Regal

When it comes to finding the perfect Performance Engine for your 1981 Buick Regal, 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 4.3 stars) and competitive prices, as low as $399.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1981 Buick Regal, providing peace of mind with parts that meet or exceed OEM standards.

Popular B & M 1981 Buick Regal Performance Engines

If you’re looking for a top-quality Performance Engine for your 1981 Buick Regal, Advance Auto Parts has exactly what you need with our selection of B & M Performance Engines. We have 2 B & M Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $399.99 and an average cost of $492.49, you’ll find the perfect Performance Engine for your needs and budget. B & M Performance Engines for the 1981 Buick Regal come highly rated, with over 2 customer reviews and an impressive average rating of 4.3 stars. Choosing a B & M Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
B & M Tork Master 3000, 20402
from $584.99
(1)
B & M Tork Master 3000, 20402
“good parts and very strong”
B & M Tork Master 2400, 20404
from $399.99
(1)
B & M Tork Master 2400, 20404
“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 Regal Performance Engines

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

Out of 16 Performance Engines that fit 1981 Buick Regals, the following parts are the top sellers:

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

The prices of Performance Engines for the 1981 Buick Regal range from $31.99 up to $921.99 for the most premium parts.

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

The average price for Performance Engines for the 1981 Buick Regal is $452.50. 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 Regal model years?

Yes, we carry Performance Engines for 30 model years of Buick Regals between 1973 and 2004. The following model years are the most popular for Performance Engine purchases: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, and 1996.

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

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 Century Performance Engines, 1981 LeSabre Performance Engines, 1981 Skylark Performance Engines, 1981 Riviera Performance Engines, and 1981 Electra Performance Engines.

What are the top-rated Performance Engines that fit the 1981 Buick Regal?

The one 1981 Buick Regal Performance Engine we have in stock is the Mr. Gasket High Performance Thermostat – 160 Degree Brass & Copper, 4363. It is rated 4 stars and costs $31.99.

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

As of 8/2/26, these are some of the most in-demand types of Performance Engines for a 1981 Buick Regal:

Can I get help with 1981 Buick Regal 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 Regal Performance Engines?

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