Manley Pro Series Timing Chain Kit - Small Block Chevrolet - 1955 to 1978

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
• Kit includes captive Torrington bearing, roller thrust button, and Manley camshaft lock
• Cast camshaft sprocket machined for Torrington thrust bearing
• Roller chain designed with .250" diameter rollers