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Engine Blocks & Accessories

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Results 1 - 24 of 45

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.

4.5 out of 5 stars ( 2 )

$102.36

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.

4.81 out of 5 stars ( 384 )

$56.99

$134.99

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 ( 173 )

$50.99

$92.99

Ford Performance Parts 5.0L Coyote Engine Block Hardware Kits

Get your 5.0L Coyote buttoned up with one of these Ford Performance Parts engine block hardware kits. They'll have your rotating kit bolted in with the included main cap bolts, and you'll keep the piston temperature under control with the piston cooling nozzles. The kits also include the transmission dowels, front and rear cover dowels, cylinder head dowels, and timing chain guide dowels. Plus, you get one 3/4 in. cup plug, one 13.84mm cup plug, and one 14mm cup plug.

5.0 out of 5 stars ( 1 )

$109.99

Howards Cams Extreme Billet Main Caps

Howards Cams extreme billet main caps are precision CNC-machined from superior-quality low-carbon 1020 billet material. They come available as stock replacements (straight bolt) or with splayed outer bolt holes. The splayed caps feature 10 degree angled outer holes to positively reinforce and tie the block together. Front, rear and center caps are all available. Use all the Howards Cams caps together for the ultimate in bottom-end stress and flex management. Howards Cams main caps feature side notches for easy removal and are proudly 100 percent manufactured in the USA. Line boring is required after installation.

4.38 out of 5 stars ( 13 )

$94.99

$103.99

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.

3.84 out of 5 stars ( 25 )

$59.35

$76.45

ARP Pro Series Main Bolts

ARP Pro Series main bolts are application-specific and rated at 190,000 psi. Designed for use in competition engines, as well as 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.

5.0 out of 5 stars ( 14 )

$54.99

$102.99

Ford Performance Parts Main Stud and Bolt Kits

Do you need main cap fasteners for your Ford engine? Ford Performance Parts main stud and bolt kits are available for a variety of Ford V8s. Their kits contain all main bolts, studs, washers, and nuts for one block. Secure your main caps the right way with Ford Performance Parts main stud and bolt kits. Note: some bolts and studs are torque-to-yield and must be replaced after each use.

5.0 out of 5 stars ( 1 )

$61.99

$62.99

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

4.78 out of 5 stars ( 9 )

$56.19

$63.15

Summit Racing™ LS Finned Aluminum Valley Covers

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.

5.0 out of 5 stars ( 1 )

$60.99

$65.99

On Sale

QuickTime Bellhousing Dowel Pins

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.

3.5 out of 5 stars ( 4 )

$83.35

ARP Powersports Engine and Accessory Fastener Kits

ARP Powersports engine and accessory bolt kits contain professional-quality fasteners. They're manufactured with premium materials and finishes that are nominally rated at 180,000 psi tensile strength—superior to OEM bolts and better than hardware grades. Motorcycles run at very high rpms and put tremendous stress on lightweight parts. The task is holding your engine and accessories together during those times. ARP Powersports fasteners are a convenient and easy way to assemble your engine with confidence, knowing that ARP is up to the challenge. Choose the kit designed for your specific bike.

4.0 out of 5 stars ( 1 )

$91.99

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

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!

4.82 out of 5 stars ( 57 )

$50.99

$109.99

Cummins by Mopar Replacement Bellhousing Dowel Pins

Cummins by Mopar bellhousing dowel pins make perfect alignment possible. These pins will provide the right fit and function, so the install of your bellhousing will go easier. When working with your diesel build, Mopar offers all the parts—even the small ones—to make your job a success.

Not Yet Reviewed

$56.99

Philadelphia Racing Products AN Block Adapters

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

$79.99

COMP Cams Engine Finishing Kits

These COMP Cams engine finishing kits contain the often-forgotten components missing during final engine assembly. They include parts like Woodruff keys, cylinder head alignment dowels, cam bolts, timing cover dowels, and oil pump dowels. Available for small and big block Chevrolet and small block Ford engines, the COMP Cams engine finishing kits make engine assembly easy.

4.73 out of 5 stars ( 66 )

$54.95

Trick Flow® Main Cap Fastener Replacement Hardware Kits

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

$73.99

Milodon Freeze Plug Kits

Milodon freeze plugs will not rot out, like lower cost steel ones. Your new engine assembly deserves the best. Don't get stuck trying to replace a leaking steel freeze plug behind a motor mount a year or two from now. Milodon freeze plug kits include all of the necessary external block freeze plugs, and cam and oil galley plugs for one complete engine.

4.5 out of 5 stars ( 46 )

$53.95

Summit Racing™ Extreme Duty Main Cap Bolts

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

Pioneer Cylinder Head Dowel Pins

Pioneer offers quality new cylinder head dowel pins at an affordable price. These dowel pins are great to have on hand when you do machine work on your block. Pioneer cylinder head dowel pins are made with first-rate materials and are available in a choice of sizes for accurate cylinder head alignment.

4.82 out of 5 stars ( 56 )

$51.99

$94.99

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 )

$102.99

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 )

$64.95

$105.95

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 )

$69.13

$98.48

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