Includes 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. Torrington Roller trust bearing reduces friction. Ideal for all street performance and race applications.

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