Unlock higher RPM potential and improved performance from your 12-valve Cummins with this 5,000 RPM Governor Spring Kit, designed specifically for 1994–1998 5.9L Cummins engines. This kit allows your engine to rev higher than the factory limit, making it ideal for performance builds, competition use, and drivers looking for stronger top-end power.
Raises engine RPM limit up to 5,000 RPM
Improves throttle response and high-RPM performance
Ideal for performance, racing, and modified street trucks
Precision-engineered for durability and consistent operation
Direct fit for 1994–1998 12-Valve Cummins (P-Pump) engines
Increased usable power band
Better fuel delivery at higher RPMs
Enhanced engine responsiveness under load
1994–1998 Dodge Ram 2500/3500
5.9L 12-Valve Cummins Diesel
P7100 injection pump only
We recommend our 150lbs springs with the use of this kit to prevent valve float above 3200 rpm. Upgraded fuel supply is required.
⚠️ Note: Professional installation is recommended by a certified pump shop. Engine modifications may affect drivability, emissions compliance, and engine longevity.