COMP Cams 3172KT Adjustable Performance Timing Chain Set for GM Gen IV LS 4.8 5.3 6.0 3 Bolt Engines

This fully adjustable single roll timing chain is one of the best available for LS3 engines.  This timing chain also works on LS2 "58X" engines requiring a "4 pole" cam gear.  This timing chain is a drop in installation which requires no grinding or hours of clearance work like double roller chains do.  • Include induction hardened steel billet gears for bullet proof durability • Feature infinitely adjustable camshaft sprocket, 6-degree maximum advance/retard • 3 keyway crank sprocket for additional 4-degree incremental adjustability • Pre-stretched, heat-treated single roller chain with heavy-duty large pin design; chain available separately • Torrington roller trust bearing reduces friction • Ideal for all street performance and race applications