4000 RPM Dodge Cummins P7100 Governor Spring Kit 12 Valve CumminPrice:$115.95
4000 RPM governor spring modification kit for the 1994-1998.5 Dodge pickup applications. The Governor Spring Kit or GSK is a combination of custom designed springs and unique seats. The 4k GSK is designed to allow your truck to enjoy the benefits of full fueling through 3000 or 4000 rpms. The result is a truck that is much more responsive and fun to drive. Dramatically changes the driving experien...