1970 Pontiac LeMans Performance Engines

Essential 1970 Pontiac LeMans Performance Engines

B & M – Traveler Converter (Part No.30423)

Traveler Converter

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$375.99
Torque Converter – Traveler Converter (SUV and Light Truck) for GM 1968 to 1981 TH350, TH375B APPLICATION: GM 1968 to 1981 TH350, TH375B (6) (will not fit TH-350C) Provides slightly higher stall speed than stock to improve pulling power at low speeds. New

Product Features:
  • Ideal For Motor Homes
  • Ideal For Towing Applications
  • Precision Pump Drive Tube
  • Heavy Duty Needle Bearings
  • Furnace Brazed
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Edelbrock – Sure Seat; Valve Spring (Part No.5757)

Sure Seat; Valve Spring

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$121.99
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 black oxide coated. 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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Mr. Gasket – Throttle Cable Bracket (Part No.9885)

Throttle Cable Bracket

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$14.99
The throttle cable bracket is designed for small block Chevy engines thru 1979 and is to be used in conjunction with the kick down cable Pn9886 for the Turbo 350 transmission. The throttle cable bracket mounts on the intake manifold and will hold cables with round or square mounts. It has a 2 inch adjustable range and is finished off in a beautiful chrome plating.

Product Features:
  • 2 in. adjustable range
  • Includes necessary hardware
  • Chrome plated
  • Individually packaged
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Edelbrock – Performer; Cylinder Head (Part No.60659)

Performer; Cylinder Head

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$587.99


Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • 70cc Combustion Chambers Improve Performance
  • Retain Stock Compression Ratio
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Edelbrock – Intake Manifold Gasket for 1958-1986 Small-Block Chevy (Part No.7201)

Intake Manifold Gasket for 1958-1986 Small-Block Chevy

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$26.99


Product Features:
  • Clean Positive Seal
  • Embossed Silicone Bead Surrounding The Port
  • Matched To Manifolds And Cylinder Heads
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 1 Piece (Part No.1257)

Lower Intake Manifold Gasket Set: 1 Piece

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$26.49
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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Edelbrock – Performer-Plus Camshaft Kit for Pontiac 350-403 V8 (Part No.2157)

Performer-Plus Camshaft Kit for Pontiac 350-403 V8

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$358.99


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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Edelbrock – Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet (Part No.2103)

Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet

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$334.99


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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Mr. Gasket – Precision Timing Tape (Part No.1597)

Precision Timing Tape

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$10.99
Avoid trouble with this precision timing tape. Use it for accurate timing, setting valve lash or when degreeing the harmonic balancer.

Product Features:
  • Accurate in calibration
  • For hi-performance engines
  • Increased performance
  • Set valve lash at proper time
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1025)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$72.99
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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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$39.49
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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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

Performer Series Retainer (Qty 16)

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$100.99
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
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Weiand – Team G Intake Manifold (Part No.7532)

Team G Intake Manifold

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$363.99
Team G Intake Manifold

Edelbrock – Pontiac P-65 Dual Quad; Intake Manifold (Part No.5450)

Pontiac P-65 Dual Quad; Intake Manifold

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$405.99


Product Features:
  • Designed for Idle to 5500 RPM
  • Direct Reproduction Of Edelbrock Pontiac P-65
  • Delivers Classic Edelbrock Performance
  • Proven Performance
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Mr. Gasket – Ultra Seal; Sure-Lock Rocker Arm Nuts (Part No.920G)

Ultra Seal; Sure-Lock Rocker Arm Nuts

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$59.99
Designed to keep the rocker arms positively locked for precise and critical valve train adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench.

Product Features:
  • They are zinc dichromate plated steel
  • They have black oxide coated set screws
  • Keeps rocker arms positively locked
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Mr. Gasket – Ultra Seal; Sure-Lock Rocker Arm Nuts (Part No.923G)

Ultra Seal; Sure-Lock Rocker Arm Nuts

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$77.99
Designed to keep the rocker arms positively locked for precise and critical valve train adjustments. Manufactured from quality grade steel, then heat-treated for extra strength and plated with a durable finish. Kits include 16 rocker arm nuts with socket head set screws and one hex key wrench.

Product Features:
  • Sure-lock rocker arm nuts
  • Precise valve train adjustment
  • Keep rocker arms locked
  • High-quality grade steel
  • Heat-treated for ex strength
  • Plated with durable gold tone finish
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Spectre – Water Neck; Pontiac V8 (Part No.4737)

Water Neck; Pontiac V8

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$23.79
Spectre’s Pontiac water neck fits 1967 – 1978 Pontiac V8 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 includes bolts and sealing O-ring.

Product Features:
  • Fits 1967 – 1978 Pontiac V8 engines
  • Includes sealing O-ring and bolts
  • Chrome plated
  • Easy to install
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Mr. Gasket – Water Neck (Part No.2667)

Water Neck

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$24.99
This chrome plated water neck is precision die cast for a great fit. It features an O-ring style seal to prevent water leaks. These water necks are first polished to a high luster then chrome plated for lasting beauty.

Product Features:
  • Prevents water leaks
  • Precision die cast
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Mr. Gasket – Ultra Seal; Valve Cover Gasket Set (Part No.5860)

Ultra Seal; Valve Cover Gasket Set

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$25.99
Creates a positive seal. Controlled swelling gasket. Thickness will not decrease. Eliminates re-torque of valves. High-tensile strength. Handles ex flange pressure and forms a leak proof seal. Black latex coating.

Product Features:
  • Creates a positive seal by controlling swelling
  • Available in extra thick for rocker arm clearance
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FEL-PRO Performance – Performance Valve Cover Gasket Set (Part No.1623)

Performance Valve Cover Gasket Set

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$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.
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2903)

Engine Crankshaft Seal Kit

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$15.29
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2904)

PERFORMANCE REAR MAIN SEAL SET

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$16.29
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)

PERFORMANCE OIL PAN GASKET SET

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$31.49
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.
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FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)

Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set

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$26.49
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.
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Mr. Gasket – Ultra Seal; Oil Pan Gasket (Part No.5884)

Ultra Seal; Oil Pan Gasket

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$30.99
Manufactured from cellulose and 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 OE replacement, high performance street, drag race and oval track.

Product Features:
  • Maxi-seal fiber material
  • Superior blow-out resistance
  • High-tensile strength
  • Reduces gasket splitting
  • Graphite non-wicking rubber
  • No cork particles
  • Easy removal for disassembly
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Mr. Gasket – Cam Change Gaskets (Part No.4406)

Cam Change Gaskets

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$56.99
When you change a cam, you don’t need a complete engine gasket set, because you don’t have to take everything apart. Mr. Gasket cam change gasket sets are tailored to deliver just the pieces that you need when you swap bump-sticks. They include gaskets for the valve covers, intake manifold, oil pan, water pump, timing-chain cover, and fuel pump.

Product Features:
  • Comes with all gaskets
  • Fuel injector oring not included
  • Meets performance standards
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Mr. Gasket – Cam Change Gaskets (Part No.4422)

Cam Change Gaskets

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$60.99
When you change a cam, you don’t need a complete engine gasket set, because you don’t have to take everything apart. Mr. Gasket cam change gasket sets are tailored to deliver just the pieces that you need when you swap bump-sticks. They include gaskets for the valve covers, intake manifold, oil pan, water pump, timing-chain cover, and fuel pump.

Product Features:
  • Comes with all gaskets
  • Fuel injector oring not included
  • Meets performance standards
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1970 Pontiac LeMans Performance Engines

Maybe you’re in the middle of a full rebuild of that 1970 Pontiac LeMans. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 33 different Performance Engines in our inventory ranging from $10.99 to $1,445.99. That means you can find the exact parts or products you need to keep that 1970 Pontiac LeMans running smoothly.

Performance Engines are only as good as their brand. We stock 5 different brands to make sure you have plenty of trusted parts to choose from for your 1970 Pontiac LeMans. FEL-PRO Performance, Spectre, and Mr. Gasket are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1970 Pontiac LeMans, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Performance Engines to keep your 1970 Pontiac LeMans rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1970 Pontiac LeMans Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1970 Pontiac LeMans demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your LeMans the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular Spectre Performance Engines

We carry Spectre parts in our stock across Performance Water Outlets categories, plus more. For a 1970 Pontiac LeMans, our most popular Spectre Performance Engines include:
Water Neck; Pontiac V8
from $23.79
(2)
Water Neck; Pontiac V8
Performance Water Outlets

FAQs for 1970 Pontiac LeMans Performance Engines

What are the most purchased Performance Engines for the 1970 Pontiac LeMans?

Out of 33 Performance Engines for the 1970 Pontiac LeMans, the most popular in our inventory are:
Engine Crankshaft Seal Kit
from $21.49
(2)
Engine Crankshaft Seal Kit
Performance Engine Main Bearing Gasket Sets
Lower Intake Manifold Gasket Set: 12 Piece Set
from $34.49
This product is not rated
Lower Intake Manifold Gasket Set: 12 Piece Set
Performance Engine Intake Manifold Gaskets
Engine Valve Cover Gasket Set
from $22.49
This product is not rated
Engine Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets