Crower 74521X745 Features:

Crower shaft rocker shims for LS1 and LS7 engines with 7/16 bolts. Designed to shim the rocker stand to the cylinder head in valvetrain setups. 0.045 in. thick for precise rocker shaft stand spacing and geometry adjustment. Part Number 74521X745 from Crower Cams and Equipment Co.

Shaft Rocker Shims LS1 & LS7 7/16 Bolt Stand-to-head Features:

• LS1 and LS7 fitment for 7/16 bolts, precise rocker stand spacing for correct stand-to-cylinder-head geometry
• 0.045 in. shim thickness, fine-tunes shaft rocker installation height for accurate valvetrain setup geometry
• Shaft rocker stand-to-head application, helps achieve proper rocker alignment and consistent valvetrain geometry
• Performance valvetrain assembly use, supports setup changes when adjusting rocker stand position on LS engines
• Part number 74521X745 configuration, direct-match shim design for LS1 and LS7 shaft rocker applications