COMP Cams Magnum Dbl Row Timing Set For 2108 Pedal Commander 4L offers a free-flowing 3

4L offers a free-flowing 3 inch mandrel-bent aluminum tube induction system designed to produce dyno proven performance gains - increase horsepower +9

A simple button click begins a comprehensive series of hundreds of thousands of calculations to determine the tire/track adhesion model that best simulates read-world conditions

Base 2015 - 2018 GMC Sierra 3500 HD SLE

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COMP Cams Magnum Dbl Row Timing Set For 2108 Pedal Commander 4L offers a free-flowing 3CCA Timing Chain Sets Engine Timing Set Feature induction hardened cast iron camshaft gear and billet steel crank sprocket; 3 Keyway crank sprocket for 4 degree incremental adjustability, 4 degree maximum advance retard; Heavy duty, heat treated true double roller timing chain; chain available separately; Ideal for mild street performance applications; COMP Cams Magnum Double Roller Timing Sets include induction hardened cast iron camshaft gears,