Engine Blocks & Parts | Summit Racing

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

PRW Main Cap Stud Kits

PRW main cap stud kits help eliminate main cap walk and also protect the threads in your engine block. The main cap studs work with the main caps to help strengthen the foundation for your next high horsepower build. These main cap fasteners come complete with hardened parallel-ground washers and quality hex-style nuts. Add confidence in the strength of your engine build when you use these PRW main cap stud kits.

3.5 out of 5 stars ( 6 )

$174.95

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.

4.8 out of 5 stars ( 399 )

$96.99

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$246.99

ARP High Performance Series Main Bolts

ARP High Performance Series main bolts are rated at 180,000 psi and a popular premium replacement for OEM fasteners. Designed to meet the exacting standards and demands of professional engine builders, ARP bolts are forged from 8740 chromoly steel and feature a reduced wrenching head, large underhead radius, and rolled threads for the utmost in reliability. The threads are rolled after heat-treating which gives them about 2,000 percent better fatigue strength than most main bolts that are threaded prior to heat-treating. Hardened parallel-ground washers are included with each kit.

4.87 out of 5 stars ( 181 )

$54.99

Derale Oil Galley Bypass Plugs

From the leader in performance cooling, Derale oil galley bypass plugs for Gen III and IV LS engines helps improve flow, oil pressure, and completely block dirty engine oil from bypassing the filter with a triple O-ring design. A direct replacement for the plastic OEM barbell plug, they are made from 6061 T-6 billet aluminum and black anodized. Derale plugs have three preinstalled Viton® O-rings and threaded #6-32 holes for easy installation.

4.67 out of 5 stars ( 6 )

$21.49

Derale LS Engine Oil Cooler Adapter Kits

Derale LS engine oil cooler adapters are designed to give a non-thermostatic option to consumers with high performance LS engines. They feature -10 ORB inlet/outlet ports for maximum oil flow and are rated to flow up to 20 gpm. The adapters include two 1/8 in. NPT ports that can be used for additional accessories and or sensors.

4.0 out of 5 stars ( 3 )

$102.36

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$204.74

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 )

$57.59

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$64.75

ACDelco Piston Oiler Kits

ACDelco offers engine piston oil nozzles for a wide range of cars, trucks, and vans. These billet steel replacements are designed, engineered, and tested to rigorous standards—all backed by General Motors. GM Genuine Parts are true OE components installed during the production of (or validated for) GM vehicles. Order the piston oiler kit recommended for your application.

Not Yet Reviewed

$11.99

ACDelco GM Genuine Parts Engine Oil Fill Caps

ACDelco GM Genuine Parts engine oil fill caps provide the perfect OE replacements without breaking your budget. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Choose the cap style designed for fitment on your particular engine block.

4.67 out of 5 stars ( 12 )

$22.99

Derale LS Engine Oil Cooler Block-off Adapters

Derale LS engine oil cooler block-off adapters can replace your stock GM adapter in order to furnish more 1/8 in. NPT ports. The two extra ports can be used for additional accessories and/or sensors. These block-off adapters are designed with an ultra-low profile to clear most header applications, and can withstand up to 200 psi.

Not Yet Reviewed

$64.35

Improved Racing Oil Cooler Adapters

Improved Racing oil cooler adapters have a low-profile for more header clearance. The adapters are machined from a single piece of billet aluminum and black anodized. For additional clearance with reliable sealing, they come with aluminum gaskets fitted with Viton® seals, and the adapter mounting holes are counter-bored so the mounting bolts fit flush with the adapter surface. Select Improved Racing oil cooler adapters are also available with a built-in thermostat. Oil coolers help prevent the oil from getting too hot, but are also prone to lowering oil temperatures too much, especially in colder weather or during highway driving. The rebuildable thermostat speeds warm-up and helps reduce engine wear and horsepower losses by preventing oil temperatures from dropping below optimal levels. Features and benefits * 100 percent bolt-on solution; no fabrication, bending, or line modification is required * Viton® seals throughout for maximum reliability * Oil exiting the adapter is filtered oil * 6061 T-6 billet aluminum construction with black MIL-A-8625 Type II anodized finish * Standard female -8 AN O-ring boss threads for optional anodized adapter fittings in your choice of -8 AN, -10 AN, or -12AN lines * Depending on application, includes port(s) for oil sensors or turbo oil supply * Includes all necessary hardware * Limited lifetime warranty

4.2 out of 5 stars ( 10 )

$159.00

Improved Racing Factory Oil Cooler Delete Kits

Improved Racing factory oil cooler delete kits remove the factory water-to-oil 'heater' so your vehicle can run with a more efficient air-to-oil cooling system. These kits come with everything needed to cap-off the radiator hose barb and water pump fittings from the factory setup. An oil cooler adapter (sold separately) is necessary to replace the factory water-to-oil cooler and allow for connecting an air-to-oil cooler. Please verify the fitment and order the Improved Racing factory oil cooler delete kit designed for your application.

Not Yet Reviewed

$14.90