Collection: Studs & Bolts

Find all of the cylinder head fastening equipment you need to complete your engine repair or rebuild with our vast, in-stock selection of low-priced head bolts and head studs for a variety of vehicles, engine types, and cylinder head styles.

The main caps secure the bearings that hold your crankshaft in place. Different engine designs use different quantities of main caps, and those caps are held down by main bearing cap bolts.