BIG BOSS INFRAME KIT FOR CUMMINS X15 Cummins ISX Turbo for users desiring a more

for users desiring a more aggressive cut without having to break out a buffing wheel

One size fits all

Improved Exhaust and Intake Valves

Universal Fit

BIG BOSS INFRAME KIT FOR CUMMINS X15 Cummins ISX Turbo for users desiring a moreAvailable for: Cummins X15 2017 2021 High Hp Warranty: 2 Year Limited Warranty Key Features: High Quality Pistons and Liners Precision working components All gaskets and orings included Includes Piston Oilers Big Boss Quality Introducing the PDI Big Boss In frame Overhaul Kit for Cummins X15 engines. This kit features the highest quality and most complete solution for longevity and performance. With high quality steel pistons, top of the line compound