3K Governor Springs for Bosch P7100 Injection Pump (12v Cummins)

Increase your engine’s usable RPM range and unlock more performance from your diesel fuel system with 3K Governor Springs for the Bosch P7100 injection pump. This upgrade allows the legendary 12v Cummins engine to rev beyond the factory governor limit, making it a popular modification for performance diesel trucks.

The 3K governor spring kit raises the engine’s fuel cutoff to approximately 3,000 RPM, allowing improved throttle response, smoother power delivery, and better performance when paired with other fuel system upgrades.

Designed specifically for the Bosch P7100 injection pump found on 1994–1998 12v Cummins engines, this governor spring upgrade is a must-have for enthusiasts looking to improve drivability and performance without sacrificing reliability.

Key Features

Increase RPM Limit to ~3,000 RPM
Allows the engine to rev beyond the factory governor setting for improved performance and powerband.

Designed for the Bosch P7100 Pump
Directly compatible with the mechanical P7100 injection pump used in 12-valve Cummins engines.

Improved Throttle Response
Enhances engine responsiveness and drivability, especially when combined with fueling upgrades.

Performance Diesel Upgrade
A popular modification for diesel enthusiasts building street, towing, or performance trucks.

Reliable Spring Construction
Manufactured with high-quality materials designed for consistent governor operation and long service life.

Applications

These 3K governor springs are commonly used for:

• 12v Cummins performance builds

• P7100 injection pump upgrades

• Diesel fuel system modifications

• Street performance trucks

• Towing setups requiring a broader powerband

Vehicle Compatibility

Compatible with engines equipped with the Bosch P7100 injection pump, including:

• 1994–1998 Dodge Ram 2500 12v Cummins

• 1994–1998 Dodge Ram 3500 12v Cummins

Benefits of Upgrading to 3K Governor Springs

Upgrading your governor springs allows your engine to maintain fueling at higher RPM levels, which helps improve acceleration and keeps the engine in its optimal power range.

Benefits include:

• Higher usable RPM range

• Stronger top-end power

• Improved throttle response

• Better performance with larger injectors and turbo upgrades

• Enhanced drivability in modified trucks

Product Highlights

• 3K Governor Spring Kit

• Raises RPM limit to approximately 3000 RPM

• Designed for Bosch P7100 injection pump

• Compatible with 12v Cummins diesel engines

• Popular upgrade for diesel performance builds