Manley Race Roller Timing Chain Kit - Big Block Chevrolet - Shim

Fully machined steel crankshaft sprocket with three keyways enabling different settings: -4, 0, or +4 degrees of timing

• Fully machined steel crankshaft sprocket with three keyways enabling different settings: -4, 0, or +4 degrees of timing
• Cast camshaft sprocket with Torrington thrust bearing or brass wear shim
• Chevrolet kits include a brass wear shim or a captive Torrington bearing
• Roller chain designed with .250" diameter rollers