COMP Cams Timing Set LS-X Double 9Key 3

Induction hardened and precision machined Steel billet Gears for bullet proof durabilityFeature 9 keyway crank sprocket for 2-degree incremental adjustability, 8-degree maximum advance/retardPre-stretched, heat-treated double Roller timing chain with heavy-duty large pin designIncludes Torrington Roller thrust bearing for reduced frictionIdeal for all street performance and Race Applications Keyway Adjustable Billet Timing Set for 58X 3-Bolt, 4 Pole, .005" Undersized GM LS3