GM Race Heads For 2004.5-2005 LLY 6.6L Duramax Industrial Injection Idle Kits and Parts " 2 Inch Leveling Spacer

2 Inch Leveling Spacer

Complete Overdrive Bearing Kit

OEM: 53041138AE

Factory Replacement System

molded plastic intake tube is engineered for improved volumetric efficiency and maximum performance while lowering Intake Air Temps (I

GM Race Heads For 2004.5-2005 LLY 6.6L Duramax Industrial Injection Idle Kits and Parts " 2 Inch Leveling SpacerThe Industrial Injection LLY Duramax Race Heads are designed for the racer sled puller in mind. Fully CNC ported heads complete ready to bolt on. Heads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon. Next they are checked by magnafluxing, (cast iron only) or pressure testing. They are visually inspected for defects that would make them unusable. Valve guides and seats are removed as