DEBOSS GARAGE
Cummins Swaps, Car Repairs, Classic Restoration
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All our Build Ups, as they happen, all in one place.

High Mile Donor Cummins 12v P-Pump P7100 Mod For Power

We cold start this high mile 5.9 Cummins 12v before it donates its P7100 P-Pump for the Cummins Sliverado! We show you how to upgrade the governor springs to get more power.