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GMC Engine Blocks & Accessories
Showing In Stock Items. Show All 11 Items.
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.
( 168 )
$10.99
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$19.99
Melling Oil Galley Barbell Plugs
Melling oil galley barbell plugs are quality replacements for the galley barbell plugs on 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 Melling oil galley barbell plug.
( 3 )
$11.99
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.
( 93 )
$15.99
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.
( 58 )
$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.
( 22 )
$19.99
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.
( 75 )
$10.99
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$17.99
On Sale
Mr. Gasket Cylinder Head Dowel Pins
Why reuse your old dowel pins when you have machine work done on your block? I can't think of a good reason, especially when these Mr. Gasket dowel pins are inexpensive and readily available. They are made from high quality steel, precision machined and case hardened for accurate cylinder head alignment.
( 4 )
$20.29
$11.44
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.
( 58 )
$15.99
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$16.99
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.
( 14 )
$18.99
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!
( 12 )
$10.99
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$18.99
