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Engine Blocks & Accessories

Part Groups

Results 1 - 24 of 55

Summit Racing™ Freeze Plugs

Our Summit Racing™ brass freeze plugs were designed for marine use, but you landlocked guys will get a lot of use out of them, too. All of the necessary plugs are included.

4.8 out of 5 stars ( 98 )

$12.99

$19.99

Lingenfelter Performance Engineering DOD Delete Blind Sealing Plugs

DOD delete blind sealing plugs are used in GM Gen IV and V V8 engine blocks that will not be using Active Fuel Management (AFM), Displacement On Demand (DOD), or the AFM/DOD lifters. To close the oil flow passages in the block and prevent a significant internal oil leak causing low oil pressure, Lingenfelter Performance Engineering DOD delete blind sealing plugs are essential. Made from high-quality M8 alloy aluminum they are built to be reliable and last.

4.53 out of 5 stars ( 17 )

$18.53

ICT Billet Oil Cooler Port Delete Plates

Need to cover up your oil cooler outlet? ICT Billet offers an ideal solution with their oil cooler port delete plates. These aerospace-grade billet aluminum delete plates come complete with a reusable O-ring seal and stainless bolts.

4.75 out of 5 stars ( 40 )

$19.99

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.

5.0 out of 5 stars ( 2 )

$21.49

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.

4.56 out of 5 stars ( 158 )

$10.99

$19.99

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.

4.39 out of 5 stars ( 72 )

$20.99

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.

4.13 out of 5 stars ( 79 )

$14.99

$18.99

ICT Billet Camshaft Thrust Plate Bolts

ICT Billet camshaft thrust retainer plate bolts are high-quality replacements for your stock fasteners. If you're doing an engine rebuild, cam swap project, or maybe misplaced your stock bolts—why not upgrade with a premium set of camshaft thrust retainer plate fasteners from ICT Billet?

4.67 out of 5 stars ( 3 )

$21.99

ICT Billet Bellhousing Dowel Pins

ICT Billet bellhousing dowel pins are steel alignment pins offered in two lengths—factory and longer than factory. Made from mild steel, ICT pins fit between engine and transmission.

4.33 out of 5 stars ( 6 )

$18.99

BTR Oil Galley Barbell Plugs

BTR oil galley barbell plugs are quality replacements for 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 BTR oil galley barbell plug.

5.0 out of 5 stars ( 3 )

$10.99

Proform Freeze Plug Kits

Avoid corrosion in your engine and replace your rusty freeze plugs with Proform's durable brass freeze plug kits. All of the necessary plugs are included for one complete engine block.

3.86 out of 5 stars ( 21 )

$18.99

$19.99

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!

4.5 out of 5 stars ( 10 )

$10.99

$21.99

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 )

$19.99

Dura-Bond Bellhousing Dowel Pins

Dura-Bond offers bellhousing dowel pins in different lengths and diameters to help finish your build. The dowel pins simplify the task of placing the bellhousing in the engine block. Made from quality materials and precision-machined, these locating pins are solid and strong to do their job reliably—keeping your components in place. Order the sizes needed for your application.

4.79 out of 5 stars ( 14 )

$13.99

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

ARP Rear Motor Cover Fasteners

ARP rear motor cover fasteners are designed to attach the rear motor cover on your Chevrolet LS series engines. They are available in your choice of steel or stainless steel, and with either hex or 12-point fastener head styles.

5.0 out of 5 stars ( 3 )

$11.99

$20.99

Dura-Bond Engine Hardware Finishing Kits

The engine tear down and cleaning process can lead to broken, bent, distorted, or lost service parts. These items can be troubling to any engine re-builder, especially when they are difficult to obtain. That is why Dura-Bond offers many of the hard-to-find OEM service parts you need. All hardware is manufactured to precise OEM dimensions for exact fit.

4.61 out of 5 stars ( 66 )

$19.99

$21.99

Dura-Bond Cylinder Head Dowels

Dura-Bond remanufactures these cylinder head dowels to make your next rebuild or fresh build easy. These dowels are manufactured to OEM specifications for quality and dimensions to ensure a proper fit. Whether you had a dowel go missing or you just want the peace of mind of a new one in its place, these Dura-Bond cylinder head dowels are the perfect solution.

5.0 out of 5 stars ( 19 )

$11.99

$13.99

BTR Engine Coolant Plugs

BTR engine coolant plugs are ideal replacements for your old engine block coolant drain plugs. They're available in large brass models for LS motors or small zinc plated models for Gen III/Gen IV LT motors. The expansion plugs are offered individually or in larger kits. Make engine coolant drainage easy again with the BTR engine coolant plug designed for your LS/LT engine application.

5.0 out of 5 stars ( 2 )

$12.99

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.

4.66 out of 5 stars ( 41 )

$11.99

$22.99

Allstar Performance Extra-Long Bellhousing Dowel Pins

Allstar Performance extra-long bellhousing dowel pins are approximately 1/2 in. longer than stock pins and are required when running an engine mid-plate, rear motor mounts, or an aftermarket bellhousing. These extended length steel pins also help with alignment when you're installing an engine—and fit most GM blocks. Order the size and style needed for your application.

5.0 out of 5 stars ( 1 )

$10.79

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.

4.64 out of 5 stars ( 74 )

$10.99

$21.99

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 )

$11.99

$13.99

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

$21.39

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