1964 Pontiac LeMans Performance Engines

Keep Your 1964 Pontiac LeMans 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 1964 Pontiac LeMans looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Rocker Arms, Performance Engine Oil Pan Gaskets, and Performance Engine Timing Sets and Components. 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 Competition Cams. For example, Competition Cams Performance Engines start at just $223.99 with an average 4.1 star rating. With over 33 reviews and a solid 4 star average, you can shop with confidence knowing other Pontiac LeMans owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1964 Pontiac LeMans Performance Engine at Advance Auto Parts is around $265.92, with a range that starts at $10.99 and goes up to $743.99. With 78 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, PERFORMANCE OIL PAN GASKET SET, and Engine Valve Cover Gasket Set start at just $30.49 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 Fuel Systems and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1964 Pontiac LeMans in peak condition, inside and out.

Essential 1964 Pontiac LeMans Performance Engines

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

Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95

from

$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
See More

Edelbrock – Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95 (Part No.5894)

Complete Sure Seat Valve Spring Kit for Chevy 262-400 V8 1957-95

from

$155.99
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
  • Dyno Tested And Street Proven
  • Great Match to Edelbrock Camshaft Kit
See More

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

High Performance Thermostat - 160 Degree Brass & Copper

from

$29.49
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 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
See More

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

High Performance 180 Degree Thermostat for Increased Flow

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
See More

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

Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set

from

$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
See More

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

Pushrod Set for S/B Chevy

from

$199.99


Product Features:
  • Case-Hardened Tubing
  • Welded Ends
  • 5/16 in. Diameter
  • Use with or without Hardened Steel Guideplates
See More

Mr. Gasket – Ultra Seal: Oil Pan Gasket (Part No.5884)

Ultra Seal: Oil Pan Gasket

from

$41.99
Manufactured from cellulose/nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For original equipment replacement, high performance street, drag race and oval track.

Product Features:
  • Manufactured from cellulose/nitrile rubber composition gasket material
  • Provides excellent sealing and durability
  • Complete with molded rubber front/rear oil pan end seals where applicable
  • For OE replacement, high performance street, drag race and oval track use
  • Graphite Non-Wicking Rubber
  • No Cork Particles
  • Easy Removal For Disassembly
See More

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1814)

PERFORMANCE OIL PAN GASKET SET

from

$30.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
See More

Competition Cams – Thumpr 227/241 Hydraulic Flat Cam K-Kit (Part No.K51-600-5)

Thumpr 227/241 Hydraulic Flat Cam K-Kit

from

$743.99
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.
See More

Competition Cams – Xtreme Energy 212/218 Hydraulic Flat Cam K-Kit (Part No.K51-221-4)

Xtreme Energy 212/218 Hydraulic Flat Cam K-Kit

from

$666.99
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.
See More

Mr. Gasket – Advance And Retard Cam Bushings (Part No.85)

Advance And Retard Cam Bushings

from

$48.99
With Mr. Gasket cam degree bushings you fine tune the camshaft timing of your engine to as little as 1 degree. Even aftermarket timing sets with multiple keyways can’t give the range of adjustment these bushings allow. Retard your camshaft to lower the powerband for more low end torque and midrange horsepower, or advance for more top end power. This kit does even number adjustment 0-8 degrees.

Product Features:
  • Advance the cam for increased torque and horsepower
  • Tune your powerband for more end torque or increase top end horsepower
  • Includes (4) offset bushings and (1) 0 degree bushing
  • Cam sprocket dowel pin hole must be drilled to .406¿ (13/32¿) dia.
  • Cam sprocket dowel pin hole must be drilled to .406┐ (13/32┐) dia.
  • Increase Top-End Horsepower
See More

Competition Cams – Set of 16 O-Ring Valve Seals for Stock Guide Size, 11/32" Valve Stem (Part No.501-16)

Set of 16 O-Ring Valve Seals for Stock Guide Size, 11/32" Valve Stem

from

$223.99
VALVE SEALS, O-RING 11/32″ 1 ST
See More

Competition Cams – Set of 16 Umbrella Valve Seals for Stock Guide Size, 11/32" Valve Stem (Part No.502-16)

Set of 16 Umbrella Valve Seals for Stock Guide Size, 11/32" Valve Stem

from

$230.99
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.

Product Features:
  • Work with stock guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Mr. Gasket – Ultra Seal: Valve Cover Gasket Set (Part No.5861)

Ultra Seal: Valve Cover Gasket Set

from

$43.99
Ultra-Seal is Mr. Gasket premium valve cover gasket material. It’s manufactured from a high density cork and rubber blend with a black latex coat applied to the outside to help seal minor flange irregularites and eliminate oil leakage. It creates a positive seal by controlled swelling of the gasket material when exposed to hot oil. For original equipment replacement, high performance street, drag race and oval track use. Sold as a pair. These gaskets are an extra thick .312 inch which can help with valvetrain clearance.

Product Features:
  • Manufactured from high-density cork /rubber blend gasket material
  • A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage
  • Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil
  • For OE replacement, high performance street, drag race and oval track
  • An extra thick .312″ which can help with valvetrain clearance
See More

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1640)

Engine Valve Cover Gasket Set

from

$22.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
See More

FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)

PERFORMANCE VALVE COVER GASKET SET

from

$23.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Die cut silicone rubber gaskets conform to out-of-flat covers
  • Great for on-again/off-again situations
  • Not intended for use in emission controlled vehicles.
See More

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

Performer Series Retainer (Qty 16)

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
See More

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

Performer Series Retainer (Qty 16)

from

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

Product Features:
  • Valve Spring Retainers for Use OE Cast Iron Heads
  • Superior Quality Heat-Treated Steel
  • Machined for Strength with Black Oxide Finish
  • Finish Ensures Rust and Corrosion Protection
See More

Competition Cams – Xtreme Energy 230/236 Hydraulic Flat Cam (Part No.12-246-3)

Xtreme Energy 230/236 Hydraulic Flat Cam

from

$258.99
HYDRAULIC – Xtreme Energy: Very strong mid-range torque and throttle response, 2200+ stall.

Product Features:
  • HYDRAULIC – Xtreme Energy: Very strong mid-range torque and throttle response, 2200+ stall.
  • 274/286 Advertised Duration, 230/236 Duration @ .050″, .490″/.490″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More

Competition Cams – Magnum 224/224 Hydraulic Flat Cam (Part No.51-233-4)

Magnum 224/224 Hydraulic Flat Cam

from

$298.99
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.

Product Features:
  • Best with aftermarket torque converters and 9.5:1 compression.
  • Great high RPM power.
  • Easy on valve train parts.
  • Can be used with mild ratio rocker arms and traditional performance valve springs.
See More

Competition Cams – Magnum/Marine/Magnum Muscle 230/230 Hydraulic Flat Cam (Part No.42-231-4)

Magnum/Marine/Magnum Muscle 230/230 Hydraulic Flat Cam

from

$297.99
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.

Product Features:
  • Best with aftermarket torque converters and 9.5:1 compression.
  • Great high RPM power.
  • Easy on valve train parts.
  • Can be used with mild ratio rocker arms and traditional performance valve springs.
See More

Competition Cams – Xtreme Energy 230/236 Hydraulic Flat Cam (Part No.51-224-4)

Xtreme Energy 230/236 Hydraulic Flat Cam

from

$298.99
HYDRAULIC – Xtreme Energy: High performance street, very strong mid-range, headers and 2200+ stall.

Product Features:
  • HYDRAULIC – Xtreme Energy: High performance street, very strong mid-range, headers and 2200+ stall.
  • 274/286 Advertised Duration, 230/236 Duration @ .050″, .488″/.491″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
  • Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
See More

Competition Cams – High Energy 212/212 Hydraulic Flat Cam (Part No.51-230-3)

High Energy 212/212 Hydraulic Flat Cam

from

$287.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.

Product Features:
  • Good blend of efficiency and performance.
  • Perfect choice for performance street rebuilds.
  • Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
See More

Competition Cams – MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST (Part No.1412-16)

MAGNUM ROLLER ROCKERS, SMALL BLOCK CHEVY 1.52 1 ST

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

Product Features:
  • Roller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve lift
  • For applications with less than 350 lbs. of open spring pressure
  • Constructed from 8620 chromemoly steel, a superior material that will not flex and ensures maximum lift
  • Ultimate street roller rocker arm designed for serious performance enthusiasts
See More

Mr. Gasket – Ultra Seal: Screw-In Rocker Arm Studs (Part No.1076)

Ultra Seal: Screw-In Rocker Arm Studs

from

$75.99
Mr. Gasket screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street applications. OE style press in rocker studs can actually pull out of the cylinder head when using high lift camshafts. Includes sixteen studs 3/8-24 x 1.47 inch long top x 7/16-14 bottom.

Product Features:
  • Black Oxide Coated Grade 8 Steel
  • Kit Contains 16 Studs
  • Easy To Install
  • Heat Treated Steel
  • Grade 8 Steel
See More

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

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

from

$476.99
Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

Competition Cams – Ultra-Gold ARC Rocker Set w/ 1.6 Ratio for Chevrolet Small Block w/ 3/8" Stud (Part No.19002-16)

Ultra-Gold ARC Rocker Set w/ 1.6 Ratio for Chevrolet Small Block w/ 3/8" Stud

from

$433.99
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.

Product Features:
  • CNC-machined, lightweight design removes weight and yields unrivaled quality and ratio accuracy
  • Designed for high performance street and race engines
  • Precision-sorted trunion bearings withstand elevated valve spring pressure and valve lift
  • Additional clearance, up to 1.650″ O.D. valve spring
See More

Competition Cams – High Energy Aluminum 1.5 Ratio Roller Rocker Set for SBC 265-400 w/ 3/8" Stud (Part No.17001-16)

High Energy Aluminum 1.5 Ratio Roller Rocker Set for SBC 265-400 w/ 3/8" Stud

from

$249.99
These High Energy Die Cast Aluminum Roller Rocker Arms for Chevy V8 265-400 applications are perfect for street and moderate race use. With a 3/8″ stud diameter and 1.5 ratio, the die cast, larger-than-stock body of the rocker arms is made of aluminum for superior strength with light overall weight. High Energy Die Cast Aluminum Roller Rocker Arms from COMP Cams are an affordable option that feature a die cast, aluminum body with a needle bearing fulcrum and roller tip. Designed to be stiffer and more durable, these cost effective rocker arms are capable of providing added valve lift while withstanding the rigors of a performance application. Their specially engineered fulcrum and roller tip create far less friction than sliding factory models to lower oil temperatures, thus improving both response and horsepower. Snap rings are used to hold the trunion and bearings locked in place..

Product Features:
  • Cost effective aluminum construction provides superior strength to weight ratio
  • Needle bearing fulcrum and roller tip reduce friction and lower oil temperatures for improved response and horsepower
  • Durable design increases valve lift while withstanding the rigors of moderate race use
  • Die-formed aluminum body is larger than stock, and may require modifications to stock valve covers for clearance.
See More

Most Popular Performance Engine Rocker Arms for 1964 Pontiac LeMans

Enhance your 1964 Pontiac LeMans with one of the 4 Performance Engine Rocker Arms we have in stock, starting at just $48.99.

Competition Cams – ENGINE ROCKER ARM (Part No.19060-16)

ENGINE ROCKER ARM

from

$621.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.19061-16)

ENGINE ROCKER ARM

from

$621.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.19060-1)

ENGINE ROCKER ARM

from

$59.99
ENGINE ROCKER ARM

Competition Cams – ENGINE ROCKER ARM (Part No.19061-1)

ENGINE ROCKER ARM

from

$48.99
ENGINE ROCKER ARM

Best-Selling 1964 Pontiac LeMans Performance Engine Oil Pan Gasket

Upgrade your LeMans with our best-selling Performance Engine Oil Pan Gasket.

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1814)

PERFORMANCE OIL PAN GASKET SET

from

$30.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
  • With steel core to provide ultimate excellent blowout resistance.
  • Not intended for use in emission controlled vehicles.
See More

Top-Quality Performance Engine Timing Sets and Components for 1964 Pontiac LeMans

Choose a high-quality OEM or aftermarket Performance Engine Timing Sets and Component for Pontiac LeMans and enjoy top-notch performance from $63.99.

Competition Cams – ENGINE TIMING SET (Part No.3212)

ENGINE TIMING SET

from

$63.99
ENGINE TIMING SET

Top Picks for 1964 Pontiac LeMans Performance Engine Valve Cover Gasket Sets

Invest in one of our 2 durable Performance Engine Valve Cover Gasket Sets for your 1964 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1622)

Engine Valve Cover Gasket Set

from

$34.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
See More

FEL-PRO Performance – Performance Valve Cover Gasket Set (Part No.1623)

Performance Valve Cover Gasket Set

from

$23.29
Fel-Pro® Performance Gaskets deliver reliable sealing under grueling racing conditions.

Product Features:
  • Blue Stripe® performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
See More

Top-Rated Performance Engine Coolant Thermostats for 1964 Pontiac LeMans

Make a smart move for your 1964 Pontiac LeMans with products all priced from $29.49 to $31.99.

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

High Performance 180 Degree Thermostat for Increased Flow

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
See More

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

High Performance Thermostat - 160 Degree Brass & Copper

from

$29.49
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 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
See More

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

High Performance Thermostat

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.

Product Features:
  • 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
See More

Top-Rated Performance Engine Brands For Your 1964 Pontiac LeMans

When it comes to finding the perfect Performance Engine for your 1964 Pontiac LeMans, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Performance Engine brands including Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.1 stars) and competitive prices, as low as $223.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1964 Pontiac LeMans, providing peace of mind with parts that meet or exceed OEM standards.

Popular Competition Cams 1964 Pontiac LeMans Performance Engines

If you’re looking for a top-quality Performance Engine for your 1964 Pontiac LeMans, Advance Auto Parts has exactly what you need with our selection of Competition Cams Performance Engines. We have 1 Competition Cams Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $223.99, you’ll find the perfect Performance Engine for your needs and budget. Competition Cams Performance Engines for the 1964 Pontiac LeMans come highly rated, with over 1 customer reviews and an impressive average rating of 4.1 stars. Choosing a Competition Cams Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Set of 16 O-Ring Valve Seals for Stock Guide Size, 11/32" Valve Stem
from $223.99
(1)
Set of 16 O-Ring Valve Seals for Stock Guide Size, 11/32" Valve Stem
“Replaced as original, super easy to install!”

FAQs for 1964 Pontiac LeMans Performance Engines

What are the best-selling Performance Engines for 1964 Pontiac LeMans?

Out of 78 Performance Engines that fit 1964 Pontiac LeMans, the following parts are the top sellers:

What’s the price range for 1964 Pontiac LeMans Performance Engines?

The prices of Performance Engines for the 1964 Pontiac LeMans range from $10.99 up to $743.99 for the most premium parts.

What is the average price of a Performance Engine for a 1964 Pontiac LeMans?

The average price for Performance Engines for the 1964 Pontiac LeMans is $265.92. 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 Pontiac LeMans model years?

Yes, we carry Performance Engines for 17 model years of Pontiac LeMans between 1963 and 1981. The following model years are the most popular for Performance Engine purchases: 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, and 1973.

What are the cheapest Performance Engines for my 1964 Pontiac LeMans?

Does Advance Auto Parts sell Performance Engines for any other 1964 Pontiac models?

Yes. We stock Performance Engines for 6 other popular 1964 Pontiac models. Some of the most popular are 1964 Grand Prix Performance Engines, 1964 Bonneville Performance Engines, 1964 GTO Performance Engines, 1964 Catalina Performance Engines, and 1964 Safari Performance Engines.

What are the top-rated Performance Engines that fit the 1964 Pontiac LeMans?

The one 1964 Pontiac LeMans Performance Engine we have in stock is the 7 Degree Steel Retainer for 3/8" Valves with 1.500"-1.550" Spring. It costs $10.99.

What types of Performance Engines do you sell for my 1964 Pontiac LeMans?

As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1964 Pontiac LeMans:

Can I get help with 1964 Pontiac LeMans Performance Engine orders?

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

What is your return policy for Pontiac LeMans Performance Engines?

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