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 timingCast camshaft sprocket machined for Torrington thrust bearingRoller chain designed with .250" diameter rollersKit includes captive Torrington bearing, roller thrust button, and Manley camshaft lock

The state of California has determined that certain chemicals used in the manufacture of this product have been known to cause cancer and birth defects.

For more information visit: www.P65Warnings.ca.gov