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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 )

$51.78

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

4.78 out of 5 stars ( 9 )

$57.59

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$64.75

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

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

Milodon Main Stud Kits

Milodon main stud kits are required where maximum gasket loading and minimal wear and tear are exerted on the block threads. These engine studs are premium-grade, race-quality studs that are created from aircraft-quality 8740 chromoly steel right in Milodon's own plant. They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Milodon requires for all of their fasteners. This ensures strength and consistent torque readings. The tensile strength of these premium fasteners is 190,000 psi, which is more than adequate for the most demanding applications. All kits come complete with 4130 heat-treated, parallel-ground washers and high-strength nuts.

3.75 out of 5 stars ( 20 )

$99.95

PRW Main Girdle Stud Kits

PRW main girdle stud kits help eliminate main cap walk and also protect the threads in your engine block. The main girdle studs work with the main girdles to help strengthen the foundation for your next high horsepower build. PRW uses premium grade Custom 4135 steel. The studs are then specially heat-treated to 180,000 psi. This heat-treating procedure allows for total heat penetration which results in a stronger, more superior stud compared to lesser quality studs from other manufacturers. To ensure perfect alignment with the main cap and main girdle, PRW studs are then centerless ground after being heat-treated. This attention to detail results in remarkably straight and concentric studs. These main cap fasteners come complete with hardened parallel-ground washers and quality 12-point nuts. Add confidence in the strength of your engine build when you use these main girdle stud kits by PRW.

Not Yet Reviewed

$68.59