The Pontiac Grand Prix Variable Timing Sprocket gives the engine precise control over when the camshaft opens and closes the valves, boosting power and efficiency. Unlike a simple fixed gear, this Variable Timing Sprocket is installed as part of a matched set with chain, cam and crank gears, and on overhead cam versions it works alongside fresh tensioners and guides to keep everything aligned. Builders align factory timing marks for a stock tune, yet the Variable Timing Sprocket allows finer adjustment because even a two degree error can rob as much as fifty horsepower. Performance minded owners use a degree wheel then employ the Variable Timing Sprocket features such as multiple keyways in the crank gear, offset bushings, or slotted cam holes to dial timing forward or backward. Advancing the cam with the Variable Timing Sprocket pushes the intake valve open earlier for stronger low speed torque, while retarding timing holds it open later for better high rpm pull. Across different model years, Pontiac offered Grand Prix units with selectable keyways that differ from those using bushings or slots, the main contrast lying in how each style achieves the same adjustable goal, keeping Pontiac Grand Prix engines responsive and strong.
Each OEM Pontiac Grand Prix Variable Timing Sprocket we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.