Grizzly Injection Line (Cylinders 3 and 6) 01-04 GM 6.6L Duramax AM-7082 The original design of the

The original design of the factory coolers were prone to failure due to heat stress cracks and many aftermarket units are susceptible to the same demise

5" King Race Shocks up front

This high flow replacement filter for the 54-10391 intake system will outflow stock paper filters for improved horsepower and torque

When these sensors fail

Grizzly Injection Line (Cylinders 3 and 6) 01-04 GM 6.6L Duramax AM-7082 The original design of theRestore proper high pressure fuel delivery in your GM 6. 6L Duramax LB7 with the Grizzly GA93721 Injection Line for cylinders 3 and 6. Designed as a direct replacement high pressure fuel injection line, the GA93721 helps maintain proper fuel rail pressure, injector sealing, and reliable common rail fuel system performance under towing, hauling, and daily driving conditions. The high pressure injection lines on the Duramax LB7 are responsible for