100 Percent Over LB7 Duramax Fuel Injectors 2001-2004 Reman Core Charge Applies Of 1200 Set S&S Diesel AXu6w~ 3-1/2" slip-fit collector

3-1/2" slip-fit collector

an industry-first and Extang exclusive

Fits 2WD & 4WD applications

Rails are rounded for a clean OEM look

see the hangers marked dimensions on the hangers page

100 Percent Over LB7 Duramax Fuel Injectors 2001-2004 Reman Core Charge Applies Of 1200 Set S&S Diesel AXu6w~ 3-1/2" slip-fit collectorAll S&S Diesel Motorsport injectors, with the exception of TorqueMaster, feature a modern SAC style nozzle that is much more durable when compared to the previous generation stock VCO nozzle. The S&S Diesel Motorsport SAC00 injectors are a game changer for LB7 Duramax owners who want increased durability without an increase in fueling. S&S has teamed up directly with Bosch to develop a stock flowing LB7 SAC nozzle to replace the obsolete VCO nozzle