➤Fits 12v GSK Governor Spring Kit 3000-4000RPM 12 valve.
➤3000/4000 Governor spring kit that fits Dodge Cummins 1994, 1995, 1996, 1997, 1998 12 Valve P7100 (5.9L Cummins with Bosch P7100 (P-pump injection pump).
➤Heavier coil springs that replace the stock governor coil springs to safely allow the engine to reach higher RPMs by fueling the engine to either 3 or 4K rpm's instead of the factory 2200-2500 RPM range.
➤Heavier coil springs that replace the stock governor coil springs to safely allow the engine to reach higher RPMs by fueling the engine to either 3 or 4K rpm's instead of the factory 2200-2500 RPM range.