Big Block Chev Billet Gear Timing Set

JP Performance JP5991 Double Roller Timing Chain Set to suit Chevy Big Block. Big Block Chevy: 454, 427, 402, 396, Gen IV big block Chevy, not for late model Gen V & VI.

All JP Performance Timing Chain Sets are supplied with induction hardened and multiple keyway crank sprockets (which have the keyways index marked for easier timing) and balanced camshaft sprockets and a true roller timing chain. Also all sets for engines without factory fitted thrust plates (i.e. Chev V8's and Chrysler big block V8's) are machined with a reverse oiler groove.