Cummins P7100 Rack Cap Upgrade for 12 Valve Cummins

Increase fueling and unlock more performance from your diesel engine with the Cummins P7100 Rack Cap, designed for 1994–1998 12 Valve Cummins engines equipped with the Bosch P7100 injection pump. This performance upgrade allows the pump rack to travel up to a full 21mm, increasing available fuel delivery and supporting higher horsepower builds.

By increasing rack travel, this upgrade helps maximize the fueling capability of the P7100 injection pump, making it a popular modification for diesel enthusiasts looking to improve engine performance, throttle response, and overall power potential.

This P7100 rack cap upgrade is ideal for trucks running upgraded injectors, turbochargers, and other fuel system modifications.

For builders seeking the highest strength and durability, this rack cap is also available in billet construction, offering premium material quality for demanding performance applications.

Key Features

Increase Rack Travel to 21mm
Allows the injection pump rack to travel further, increasing available fuel delivery for improved engine performance.

Performance Upgrade for P7100 Injection Pumps
Designed for the Bosch P7100 injection pump used on 12 valve Cummins engines.

Supports Higher Horsepower Builds
Ideal for trucks running upgraded injectors, performance turbochargers, and fueling modifications.

Precision Fitment
Engineered for proper installation and reliable operation within the P7100 pump assembly.

Billet Option Available
Also offered in a billet version for customers looking for premium material strength and durability.

Important Installation Note

Injection pump removal is typically required for installation.
However, installation may be possible without pump removal if the timing cover is modified or ground for clearance.

Professional installation is recommended for best results.

Applications

This Cummins P7100 rack cap upgrade is commonly used in:

• 12 valve Cummins performance builds

• P7100 injection pump upgrades

• Diesel performance fuel system modifications

• High horsepower diesel trucks

• Competition or modified street trucks

Vehicle Compatibility

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

• 1994–1998 Dodge Ram 2500 5.9L 12 Valve Cummins

• 1994–1998 Dodge Ram 3500 5.9L 12 Valve Cummins