Get Pontiac Grand Prix Overhead Cam Engine. Order Pontiac Grand Prix Cam Shaft Price & Pontiac Grand Prix Car Engine Camshafts Replacement. Maintaining your Pontiac Grand Prix's engine cams is crucial for peak performance and longevity. Regular oil changes with the correct viscosity can prevent premature wear, while listening for unusual noises can alert you to potential camshaft issues?common signs include ticking sounds or performance dips indicating the need for replacement. When selecting new engine cams, consider performance-grade options for enhanced torque and horsepower, or OEM-spec cams for reliability. Made from high-strength materials, they ensure durability and smooth operation. Before installation, always verify camshaft alignment to avoid engine damage, and consider professional fitting to guarantee optimal function and extend the life of your Grand Prix's heart.