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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!
( 10 )
$53.95
Summit Racing™ LS Rear main seal housings are the correct housings for all LS models. These aluminum housings are ideal for replacing damaged housings and building a new project from scratch. Summit Racing™ LS rear main seal housings are designed for a correct fit and quality performance.
( 17 )
$50.99
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.
( 2 )
$102.36
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.
( 175 )
$61.99
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$79.99
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.
( 388 )
$56.99
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$115.99
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
( 9 )
$57.25
The final detail to enhance the appeal of your LS engine--Summit Racing™ LS finned aluminum valley covers. Fabricated from aluminum, they are available with a natural or polished finish, or black powdercoated with machined fin tops for great contrast and looks. The material, finishes, and classic fin design of our Summit® LS intake valley plates offer the ideal touch to dress up your engine area.
( 1 )
$60.99
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$65.99
Whether you're looking for more power or simply trying to refresh the motor, there will come a time when you'll need Summit Racing Equipment® LS engine hardware kits. These kits include brass freeze plugs and main cap side bolts for your LS engines. Your rebuilt engine will not be complete without Summit Racing Equipment® LS engine hardware kits.
( 2 )
$57.78
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
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.
( 1 )
$77.99
Summit Bucks
ACDelco offers rear main seal housings for a wide range of year/make and engine applications. The one-piece aluminum replacements are designed, engineered, tested, and backed by General Motors. They are validated OE parts for specific Chevrolet, Buick, GMC, and Cadillac vehicles. These components are designed to give the engine oil leak protection from between the crankshaft output flange and the engine block. Order the engine crankshaft seal housing recommended for your ride.
( 8 )
$90.99
Summit Bucks
If you've dressed up your engine but there's just something missing, add some style in an unlikely place with a finned cast aluminum valley pan cover from Top Street Performance. The lightweight covers are available in a choice of black and polished finishes. Order the model for your application. Notes: Will fit LS1 and LS6 engines. No knock sensor or displacement on demand provisions.
Not Yet Reviewed
$86.42
Replace those worn-out main studs with these main stud kits from Summit Racing™! Our main stud kits contain alloy steel bolts that have been heat-treated to a 180,000 psi tensile strength rating. Summit Racing™ main stud kits are a great choice for high strength and high quality at a value price.
( 8 )
$55.99
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$79.99
Summit Racing™ Extreme Duty main cap bolts are engineered to withstand the stress and abuses that high-horsepower engines endure. These fastener kits come with all necessary bolts, washers, lubricant, and instructions to ensure maximum performance and reliability. Order the hardware recommended for your year/make and engine application. Extreme Duty fasteners feature: * 190,000 psi tensile strength minimum * High-strength chromoly steel utilized for all products * Precision manufacturing processes ensure consistent product performance * All studs are twice straightened to guarantee straightness * Threads are rolled after heat treatment for high strength * Tensile and yield strength tested after thread rolling * Uniformly applied black oxide surface finish * Anti-rust oil coating to protect fasteners from corrosion
Not Yet Reviewed
$59.99
On Sale
QuickTime offers bellhousing accessories, including these dowel pins, to help you to complete your project. They're made from quality material and are designed to correct the improper register bore alignment of bellhousing to your engine crankshaft center line.
( 4 )
$81.35
Trick Flow® main cap fastener replacement hardware kits are available for a variety of small and big block applications from the early 1960s and up. The 2-bolt mains are offered in bolt and stud (with nut) styles, and in standard hex and extended hex head style, all with washers included. These kits are intended for use with Trick Flow® main cap girdles. Order the hardware needed for your year/make and engine.
Not Yet Reviewed
$50.99
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$73.99
When using a remote-mounted water pump, you have to make the connection to the block. The easiest way to do that is with Philadelphia Racing Products AN block adapters. They're CNC-machined from 6061 billet aluminum and anodized for protection and appearance. Each adapter is O-ringed for a tight seal and includes stainless hardware.
Not Yet Reviewed
$64.99
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$79.99
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!
( 59 )
$91.99
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