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PONTIAC Engine Blocks & Accessories

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Results 1 - 24 of 46

Dorman Rear Main Seal Covers

Use Dorman engine rear main seal covers to ensure the proper sealing of your engine, to stop and/or prevent engine oil leakage. They are made from high-quality materials and are available as direct replacements for a proper fit on various makes and models. Whatever your repair needs, Dorman has just what you're after!

3.6 out of 5 stars ( 10 )

$71.95

Edelbrock RHS LS Bare Race Blocks

Edelbrock RHS LS bare race blocks are designed to meet the needs of today's high-performance engine builders and racing enthusiasts. They are available in standard and tall deck height combinations and are engineered for maximum clearance around a 4.600 in. stroke crankshaft. With their unique design, Edelbrock engineers were able to minimize windage in the rotating assembly, leading to superior engine lubrication at higher rpm. To make them friendly for existing race applications, these blocks contain both factory and motor plate race mounts for Gen I, II, III, and IV engines. Each LS bare race block receives a CT scan to ensure maximum performance and consistency. Standard features include: * Designed from aircraft-quality A357 T-6 aluminum * Siamese cast bore walls (4.125 in. or 4.165 in. diameter) with press-in cast iron sleeves * Machined with 55mm cam bearing journal * Available in standard (9.240 in.) and tall (9.750 in.) deck heights with beefy deck thicknesses (.500 in. standard/.750 in. tall deck); standard (5.87 in.) and tall (6.38 in.) deck cylinder sleeves are available * 6-head bolt design with full water jacket around cylinder walls; large windows in the valley allow access to an inboard 6th head bolt * Block design includes large front and rear -12AN side feeds for serious dry sump setups * Material for oversized lifters with lifter bosses are designed to clear tie bar-style lifters

Not Yet Reviewed

$6,904.95

Melling Freeze Plugs

Seal up the casting core holes in your engine block and heads with Melling freeze plugs. They're manufactured from a variety of quality materials—such as brass, steel, and stainless steel—and offered in different diameters and depths to fit your specific application. These expansion plugs help protect against cracks caused by the pressure of frozen coolant and in regular operation will ensure that all vital fluids stay in the engine, where they belong. They are available for a wide range of makes and models, and can be ordered individually or in a multi-piece kit.

4.55 out of 5 stars ( 178 )

$5.99

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$30.99

Summit Racing™ Bellhousing Dowel Pins

Ensure proper alignment with Summit Racing™ bellhousing dowel pins. Our pins are a must for easier alignment when installing the bellhousing on your engine block. They contribute to fewer shifter problems and maximum life for your bearings and transmission. The dowel pins are available in a variety of sizes and offsets. Order the pair recommended for your vehicle application.

3.82 out of 5 stars ( 103 )

$15.99

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$29.99

Chevrolet Performance Main Cap Fasteners

Keep your main caps secure with a set of Chevrolet Performance main cap fasteners. They are made from quality OEM materials and are built to strict tolerances to ensure a direct fit. You don't ever want to have a failure in your engine's rotating assembly. Pick up Chevrolet Performance main cap fasteners for maximum reliability.

5.0 out of 5 stars ( 6 )

$6.99

Moroso Extra Long Bellhousing Dowel Pins

Moroso extra long bellhousing dowel pins provide an easy method of properly aligning the transmission input shaft to the crankshaft pilot bearing. They are extra long to simplify the task of placing the bellhousing on the engine block. Proper alignment provides a clean clutch release, maximum pilot bearing and transmission life, and reduces shifter problems.

4.4 out of 5 stars ( 75 )

$23.99

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$29.99

On Sale

Holley LS Valley Covers

Holley LS valley covers are the latest accessories offered for the GM LS engine platform. These covers install between the two banks of cylinder heads, depending on your usage of knock sensors, displacement on demand, and active fuel management. They're available in a cast aluminum finned design to match Holley's popular valve covers, as well as a billet aluminum trussed version for a race-inspired look. The valley pan covers are offered in a variety of finishes.

5.0 out of 5 stars ( 2 )

$290.99


$144.95

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$318.95

Pioneer Performance Freeze Plugs

These Pioneer performance freeze plugs are designed by engine rebuilders, for engine rebuilders. Several types of freeze plugs are offered in a choice of materials and sizes for a large variety of applications.

4.63 out of 5 stars ( 65 )

$16.99

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$38.99

Summit Bucks

ACDelco GM Genuine Parts Replacement Bolts

ACDelco GM Genuine Parts replacement bolts are available for a variety of applications, including transmission torque converter housings. Installing factory-recommended hardware helps to ensure the same performance, durability, and service life you expect from General Motors.

3.5 out of 5 stars ( 16 )

$4.99

Lakewood EZ-Adjustable Bellhousing Dowel Pins

Lakewood EZ-Adjustable bellhousing dowel pins are unique because they slip easily into the engine block and are designed to be turned with a wrench rather than a screwdriver. Once they're pointed in the correct direction, a set screw (which runs down the center) is then tightened, which prevents the dowel pin from turning. No need to pound the pins in and out—a no drilling or tapping is required! Order the model recommended for your vehicle and engine application.

3.86 out of 5 stars ( 29 )

$199.95

Melling Oil Galley Barbell Plugs

Melling oil galley barbell plugs are quality replacements for the galley barbell plugs on your LS engine. These oil diverter valves fit in the back of your LS engine block and are essential to the oil pressure circuit. You don't want to overlook the little things for an enduring repair or build, so don't forget to order a Melling oil galley barbell plug.

5.0 out of 5 stars ( 4 )

$8.99

ARP Main Stud Kits

ARP main stud kits help eliminate main cap walk/fretting and protect the threads in your engine block. They include studs made from 8740 chromoly steel and heat-treated in-house to 190,000 psi tensile-strength rating. The precision J-form threads are rolled after heat-treat for much stronger threads than the competition. Kits come complete with hardened parallel-ground washers and high-quality nuts. Add confidence in the strength of your engine build with the ARP main stud kit designed for your application.

4.79 out of 5 stars ( 417 )

$51.99

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$134.99

Chevrolet Performance Rear Main Seal Retainers

House your rear main seals in genuine Chevrolet Performance retainers. These aluminum retainers are the perfect replacements for your Chevy, offering the best fit and function. For proper sealing and leak prevention, always choose the originals and rest assured your rear main seal retainers will provide long-lasting Chevrolet performance.

5.0 out of 5 stars ( 1 )

$84.99

Earl's Performance Oil Cooler Block-Off Plates

Earl's Performance oil cooler block-off plates are billet covers—built with an extra 1/8 in. NPT port that can be used for an oil pressure gauge or a turbo oil supply port. The 1/8 in. port is located on the top to provide extra header clearance. These oil cooler block-off plates are designed to fit most GM LS/LT oil pans. Earl's Performance oil cooler block-off plate feature: * Billet aluminum construction with black anodized finish * Includes block-off plate, O-ring seal (no gasket required), and mounting screws

4.5 out of 5 stars ( 10 )

$61.05

Summit Bucks

ACDelco Cylinder Head Pins

ACDelco cylinder head pins offer accurate alignment. The precise positioning of your cylinder heads prevents leaks and keeps your engine running efficiently. So, maintain the quality performance of your ride by utilizing cylinder head dowel pins from ACDelco in your build.

2.5 out of 5 stars ( 4 )

$4.99

Melling Engine Expansion Plug Kits

Melling engine expansion plug kits come with everything needed to replace the leaky "freeze" plugs on your current engine. When you have the motor out of the chassis, it's the ideal time to update the plugs before they start leaking. Order the kit recommended for your application—and stay ahead of the game with Melling!

4.14 out of 5 stars ( 14 )

$4.99

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$23.99

PRW Billet Steel Main Caps

PRW billet steel main caps raise the bar in the high performance industry. The main caps are precision-machined from high strength steel, which offers both the proper balance of strength and flexibility to allow transfer of increased shock loads to the crank and bearings. These main caps stabilize the entire crankshaft rotating assembly in your high-performance engine by eliminating annoying cap walk, and reducing main bearing bore distortion. With a combination of top-quality performance components and reasonable pricing, we know that when you receive your new PRW billet steel main caps, you will have no trouble seeing what the excitement is all about!

2.33 out of 5 stars ( 3 )

$207.99

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$315.06

TCI Extra-Long Dowel Pins

TCI extra-long dowel pins are a must for any application running a mid-mount plate to ensure that the transmission bellhousing is properly aligned with the engine.

5.0 out of 5 stars ( 5 )

$32.95

Mr. Gasket Cylinder Head Dowel Pins

Why reuse your old dowel pins when you have machine work done on your block? I can't think of a good reason, especially when these Mr. Gasket dowel pins are inexpensive and readily available. They are made from high quality steel, precision machined and case hardened for accurate cylinder head alignment.

3.75 out of 5 stars ( 4 )

$18.32

Dorman Expansion Plugs

Dorman expansion plugs are conveniently designed aftermarket replacements for stripped plugs. A leak-proof fit and long service life are assured every time, due to high-quality standards and materials used in the manufacturing process. Dorman engine and camshaft expansion plugs are offered in multiple sizes, styles, and materials for precise fitment on countless makes and models. They're easy to install and available individually or in multi-pack sets.

4.59 out of 5 stars ( 76 )

$6.99

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$31.99

Lakewood Bellhousing Dowel Pins

Dial-in your bellhousing alignment to the engine block with Lakewood offset dowel pins. These adjustable pins can correct improper alignment. They're offered in a variety of offsets, lengths, and diameters for nearly a dozen makes, including Chevy, Oldsmobile, Pontiac, Buick, Ford, Lincoln, Mercury, and Mopar models. Stock pins for Ford and GM applications are also available. Lakewood bellhousing dowel pins are simple, affordable keys to aligning the transmission housing with your engine.

4.0 out of 5 stars ( 29 )

$49.95

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$78.35

Melling Performance Cylinder Sleeves

Melling uses top-grade materials to produce these performance cylinder sleeves. They provide longer life with less distortion and enhanced reliability. These proven sleeves have been used successfully for years in heavy-duty diesel and performance engines. Melling Performance cylinder sleeves are compatible with all ring materials and are designed for a variety of bore sizes.

5.0 out of 5 stars ( 2 )

$30.99

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$37.99

Pioneer Bellhousing Dowel Pins

Pioneer bellhousing dowel pins are 0.4 in. longer than stock to help simplify placing the bellhousing on your engine block. Simplifying the task makes successful alignment more likely, which helps provide cleaner clutch release, maximum component life, and reduced shifter issues. Pioneer bellhousing dowel pins are designed to fit several Chevy and GM engine sizes, including both small and big blocks.

Not Yet Reviewed

$24.99

Melling Cylinder Sleeves

Melling cylinder sleeves are available for a variety of bore sizes to fit all sorts of cylinders. They are great for fixing damaged cylinders. Get your cylinder sleeves from Melling on order today!

4.85 out of 5 stars ( 65 )

$85.99

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$102.99