Racing Power Small Block Chevy Tall Valve Covers 383 Stroker H762427S The pulley alignment boss is

The pulley alignment boss is made from billet aluminum

Hollow Core

700 in Diameter

polished and endurashine finish

NOTE: These are for a manual transmission flywheel

Racing Power Small Block Chevy Tall Valve Covers 383 Stroker H762427S The pulley alignment boss isProduct Description: Valve Cover Tall 3. 875 in Height Breather Holes Aluminum 383 Stroker Black Powder Coat Small Block Chevy Pair Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.