Manley Pro Series Timing Chain Kit - Big Block Chevrolet

الوصفFully 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