Race Performance Package 1989-1993 5.9L Cummins

Race Performance Package (1989–1993 5.9L Cummins – 12-Valve)

This Race Performance Package is built for 12-valve Cummins owners chasing maximum horsepower, aggressive acceleration, and top-end power. This setup is designed for competition use, dyno pulls, drag racing, and aggressive street driving where peak performance is the priority.

This is not a tow-oriented package. This is a high-output, race-focused setup intended for experienced diesel enthusiasts.

WHAT’S INCLUDED

S369/73/.80 Ball Bearing Turbo – Stage 9.5
Rated Power: up to ~775 HP
• Large-frame turbo designed for maximum airflow
• Ball bearing center section for improved response
• Strong top-end power and high RPM performance
• Built for race and competition applications

Stage 2 Performance VE Injection Pump – Power Driven Diesel
• Significantly increased fueling capability
• Designed to support high horsepower builds
• Aggressive fueling curve for performance applications
• Requires supporting airflow and fueling mods

Stage 3 Performance Injectors
• High-flow injectors to support maximum horsepower
• Designed for aggressive street and race use
• Strong mid-range and top-end fueling

Governor Spring Kit
• Extended usable RPM range
• Improved throttle response at high RPM
• Necessary for race-oriented powerbands

FASS 165 GPH Fuel System
• Consistent, stable fuel pressure to the VE pump
• Eliminates air intrusion issues
• Supports high fuel demand under load
• Required for higher horsepower applications

Intercooler Conversion (Year Dependent)
• Lowers intake air temperatures
• Reduces EGTs under high load
• Improves air density for maximum power
• Required for high-horsepower 12-valve builds

BD Diesel Exhaust Manifold
• Improved exhaust flow
• Reduced exhaust restriction
• Eliminates factory manifold cracking
• Supports high-flow turbo applications

Pusher Cold Air Intake
• Reduced intake restriction
• Improved airflow to the turbo
• Supports high-boost applications
• Cooler, cleaner intake air

MBRP 4” Turbo-Back Exhaust System
• Reduced exhaust backpressure
• Improved turbo efficiency
• Supports high horsepower airflow demands
• Essential for race-oriented setups

WHAT THIS PACKAGE DELIVERS
• Maximum horsepower potential
• Strong top-end acceleration
• Aggressive throttle response
• High RPM power delivery
• Built for race and competition use

This package is designed to make power, not prioritize towing or fuel economy.

WHY THIS PACKAGE WORKS
• Large-frame turbo matched with aggressive fueling
• High-flow injectors and pump combination
• Stable fuel delivery under extreme demand
• Reduced intake and exhaust restriction
• Powerband designed for high RPM operation

FITMENT
• 1989–1993 Dodge Ram 250 / 350
• 5.9L 12-Valve Cummins
• Manual & automatic transmissions (built transmissions recommended)

IMPORTANT NOTES
• Professional installation required
• Supporting gauges (EGT, boost, fuel pressure) are mandatory
• Built engine and drivetrain upgrades strongly recommended
• Not intended for towing or daily driving

RACE USE DISCLAIMER
This package is intended for off-road and competition use. Performance gains depend on supporting modifications, tuning, vehicle condition, and drivetrain strength. Improper installation or use may result in engine or drivetrain damage.

$750 WILL BE CREDITED BACK TO YOU ONCE WE RECEIVE YOUR CORE. 

HEADSTUDS HIGHLY RECOMMENDED