Billet Cummins P7100 Rack Cap Upgrade for 12 Valve Cummins

Unlock additional fueling and maximize the performance potential of your diesel engine with the Billet Cummins P7100 Rack Cap. Designed for 1994–1998 12 valve Cummins engines equipped with the Bosch P7100 injection pump, this upgrade increases rack travel to a full 21mm, allowing for greater fuel delivery and supporting higher horsepower builds.

Machined from high-quality billet material, this rack cap offers superior strength, durability, and precision compared to standard cast components. It’s an ideal upgrade for performance diesel builds that demand reliable fuel system components capable of handling increased fueling levels.

By allowing the injection pump rack to travel further, this billet P7100 rack cap helps maximize the fueling capability of the legendary P7100 injection pump, making it a popular modification for enthusiasts running upgraded injectors, larger turbochargers, and other performance modifications.

Key Features

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

Premium Billet Construction
CNC-machined from high-grade billet material for superior strength, durability, and precision.

Designed for Bosch P7100 Injection Pumps
Compatible with the P7100 injection pump used on 12 valve Cummins diesel engines.

Supports High Horsepower Builds
Ideal for trucks with upgraded fueling systems, performance injectors, and larger turbochargers.

Precision Machined for Proper Fitment
Engineered for accurate installation and reliable pump operation.

Important Installation Note

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

Professional installation is recommended.

Applications

This billet P7100 rack cap is commonly used in:

• 12 valve Cummins performance builds

• P7100 injection pump upgrades

• High horsepower diesel trucks

• Competition diesel applications

• Fuel system performance modifications

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

Benefits of a Billet Rack Cap Upgrade

Upgrading to a billet rack cap provides increased durability and reliability when pushing the limits of your diesel fuel system.

Benefits include:

• Increased rack travel for higher fueling potential

• Stronger billet construction for demanding applications

• Improved durability compared to standard components

• Ideal for high-performance diesel builds