If you're looking for an adjustable timing set for your street or race vehicle, look no further than COMP Cams adjustable timing sets. These timing sets feature: * Induction-hardened steel billet gears for durability * Infinitely adjustable camshaft sprocket, 6-degree maximum advance or retard * 3-keyway crank sprocket for additional 4-degree incremental adjustability * Pre-stretched, heat-treated double roller chain with heavy-duty large pin design