GM Race Short Block For 2007.5-2010 6.6L LMM Duramax Industrial Injection All 2-inch OD and will give

2-inch OD and will give faster turbo response with lower exhaust temperatures

5-Present Cummins

Designed for Chevy/GMC LS1 & LS6 engines (2004-20)

5 Inch ID Range 103-127mm PPE Diesel

GM Race Short Block For 2007.5-2010 6.6L LMM Duramax Industrial Injection All 2-inch OD and will giveIndustrial Injection 2007. 5 2010 6. 6L LMM Duramax Race Short Block Engine. The Industrial Injection Duramax Race Short Block was designed for those who are looking to push the limits of performance to the ultimate level. These are designed to be reliable for competition use. We use the highest quality parts and machining processes in every engine build, guaranteeing you the up most reliability and precision to have the best performing engine on the