COMP Cams Camshaft Gm6.6L Duramax 258Xd - 132-501-12

Tri-Power Xtreme 197/202 Solid Roller Cam for GM 6.6L Duramax Diesel

Designed for modified performance applications (Exh., programmer, etc.). Good for limited towing.

Mechanical Roller-Designed for modified performance Applications (Exh., programmer, etc. upgrades) Good for limited towing. COMP Cams always recommends checking piston to valve clearance whenever installing a Camshaft. Modern engine design dictates a compact combustion chamber and tight clearances. Tolerance stack or Installation errors can result in interference and failure. COMP recommends .080" intake and .120" exhaust minimum piston to valve clearance in most Applications.

• By decreasing pumping losses, efficiency and performance are enhanced, regardless of camshaft selected.
• Three different camshaft designs targeted to improve horsepower, torque or fuel efficiency.
• Designed for factory fuel injected engines; use programmer for best mileage gains.