Street Performance Package 1989-1993 5.9L Cummins
Street Performance Package 1989-1993 5.9L Cummins
Couldn't load pickup availability
Street Performance Package (1989–1993 5.9L Cummins – 12-Valve)
This Street Performance Package is designed for 12-valve Cummins owners who want strong street power, quick throttle response, and aggressive acceleration while maintaining solid drivability. This setup delivers a noticeable jump in horsepower over stock and tow-focused builds, making it ideal for street-driven trucks and weekend fun.
WHAT’S INCLUDED
S363/73/.80 Ball Bearing Turbo – Stage 4.5
Rated Power: up to ~530 HP
• Strong top-end power with room to grow
• Ball bearing center section for improved response
• Designed for aggressive street performance
• Ideal for higher RPM power delivery
Stage 1 Performance VE Injection Pump – Power Driven Diesel
• Increased fueling over stock VE pump
• Tuned for street performance and drivability
• Strong throttle response
• Supports larger turbo and injector combinations
Stage 2 Performance Injectors
• Increased fuel delivery to support higher horsepower
• Clean, controlled fueling when paired with proper tuning
• Strong mid-range and top-end power
Governor Spring Kit
• Improved throttle response
• Extended usable RPM range
• Better acceleration through the powerband
FASS 165 GPH Fuel System
• Consistent fuel pressure to the VE pump
• Eliminates air intrusion issues
• Improves throttle response under load
• Supports future power upgrades
Intercooler Conversion (Year Dependent)
• Lowers intake air temperatures
• Reduces EGTs under load
• Improves combustion efficiency
• Required for higher horsepower street setups
BD Diesel Exhaust Manifold
• Improved exhaust flow
• Reduced exhaust restriction
• Eliminates factory manifold cracking
• Helps turbo operate more efficiently
Pusher Cold Air Intake
• Reduced intake restriction
• Improved airflow to the turbo
• Faster turbo response
• Cooler, cleaner intake air
MBRP 4” Turbo-Back Exhaust System
• Reduced exhaust backpressure
• Improved turbo efficiency
• Better throttle response
• Essential for higher horsepower street builds
WHAT THIS PACKAGE DELIVERS
• Significant horsepower increase over stock
• Strong mid-range and top-end power
• Faster throttle response
• Aggressive street performance
• Balanced airflow and fueling for reliability
This package is designed for street performance and acceleration, not heavy towing.
WHY THIS PACKAGE WORKS
• Larger turbo matched with proper fueling
• Improved airflow throughout the system
• Stable fuel delivery
• Reduced intake and exhaust restriction
• Powerband tuned for street use
FITMENT
• 1989–1993 Dodge Ram 250 / 350
• 5.9L 12-Valve Cummins
• Manual & automatic transmissions
IMPORTANT NOTES
• Professional installation recommended
• Supporting gauges (EGT & boost) are strongly recommended
• Not intended for heavy towing applications
STREET PERFORMANCE DISCLAIMER
Performance gains vary based on tuning, vehicle condition, gearing, and driving habits. Proper monitoring is recommended.
$750 WILL BE CREDITED BACK TO YOU ONCE WE RECEIVE YOUR CORE.
HEADSTUDS HIGHLY RECOMMENDED
Share
FAQ
How long does shipping take?
Most products ship in 3–7 days. Some will take longer. If a product needs more time, it will say so on its product page.
How do I know if a product fits my truck?
Each product page lists the year, make, and model it fits.
If you’re unsure, you can message us through our website, email, or Facebook, and we’ll confirm fitment for you.
Do you offer installation?
Yes. PSC Automotive & Diesel Repair installs everything we sell.
Call or message us to schedule an appointment.
What is your return policy?
- Returns accepted on new, unused items.
Some items are subject to a restocking fee, depending on the manufacturer.
Electrical parts, tuners, and custom-built items are non-returnable.
Full details are on our Refunds page.
What is your warranty policy?
Our warranty matches the manufacturer’s warranty.
If a part fails or has a defect, we will work with the manufacturer to get it replaced.
We do not warranty parts that were:
Installed incorrectly
Damaged by lack of maintenance
Removed or messed with after installation
Installed by another shop after we installed it
Full warranty details are on our Warranty page.
Will I get tracking information?
Yes. Tracking is emailed to you as soon as your order ships.
Check your spam folder if you don’t see it.
Do you offer customer support?
Yes! You can contact us anytime at:
Website chat
Email
Phone
Facebook or Instagram
We reply quickly during business hours.