Smeding Diesel S300 turbo kit for the 2019+ 6.7 Cummins Turbo size:Cast 66mm 1989 GMC G3500 Rally Camper

1989 GMC G3500 Rally Camper Special

Item Type: Cummins Stock Plus Long Block Crate Engine

7L Cummins diesel

The first-generation Cummins offered the venerable 6BT engine

Smeding Diesel S300 turbo kit for the 2019+ 6.7 Cummins Turbo size:Cast 66mm 1989 GMC G3500 Rally CamperSmeding Diesel S300 Turbo Kit For The 19+ 6. 7L Cummins The variable geometry Holset on your 6. 7L Cummins is a neat piece of turbo engineering, but unfortunately its notorious for failure. Steady exposure to soot, carbon buildup and corrosion often immobilizes the moveable VGT components in the exhaust housing. Other times, the electronically controlled VGT actuator checks out. If youre tired of the failures associated with the factory VGT, its time