Product Description:
12 Valve Cummins Stage 1 Billet Pushrods (1989–1998)
Upgrade your valvetrain with Industrial Injection 12 Valve Cummins Stage 1 Billet Pushrods, engineered to deliver superior strength, reliability, and performance for high-boost and high-RPM diesel applications. Designed specifically for 1989–1998 5.9L 12V Cummins engines, these pushrods are a direct stock-length replacement that eliminates valvetrain deflection under heavy loads while maintaining factory geometry.
Manufactured from premium billet material with a robust 3/8" diameter and .095" wall thickness, these pushrods provide the rigidity needed to support aggressive fueling, upgraded valve springs, and increased boost pressure. Whether you're building a street-driven performance truck or a competition-level setup, these pushrods ensure consistent valve timing and long-term durability.
Key Features & Benefits
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Heavy-duty billet construction for maximum strength
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Supports high-RPM and high-boost applications
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Rated to support up to 1500 horsepower
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Stock length for easy, direct bolt-in installation
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3/8" diameter with .095" wall thickness
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Two-piece design
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Available individually or as a complete set
Fitment
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1989–1998 Dodge Ram 5.9L 12-Valve Cummins Diesel
Why Choose Stage 1 Billet Pushrods?
Factory pushrods can flex under increased cylinder pressure, leading to valvetrain instability and power loss. These Stage 1 billet pushrods are designed to maintain precise valve control, helping you achieve improved engine response, reliability, and overall performance.
Perfect for trucks with upgraded turbochargers, injectors, valve springs, or higher-than-stock boost levels.
Upgrade your Cummins valvetrain with confidence and handle the power your build demands.
Free economy ground shipping on most orders over $200. This includes lower 48 United States only. Excludes products that must ship freight.
Read Carefully!
When you purchase a product from our website that has a core requirement, you have two options:
1. You choose to pay the core charge and we will ship the product right away, then once we receive the cores you will be refunded the core charge if your cores pass our inspection qualifications. This is the preferred choice and has the least delays.
2. You choose to send in your cores before we ship the product that was purchased. This choice has the risk of delayed shipment of your purchased product and our inventory is not guaranteed by the time we receive your cores. You will need to follow all of the instructions below as quickly as possible so that you can get your purchased product and we can receive the cores. When you choose this option you acknowledge that by the time we receive your cores, our inventory could have change and there could be a delay in your shipment.
Please return all cores to:
Industrial Injection Core Returns
2858 South 300 West
Salt Lake City, Utah 84115
INCLUDE RA# THAT WAS ISSUED AT TIME OF PURCHASE! If RA # is lost, please call Customer Service at (800) 955-0476. Have your original invoice at time of phone call to give all appropriate information for return.
Core return freight is the responsibility of the customer
FULL CREDIT WILL BE GIVEN WHEN:
In order to receive full core credit, your core(s) must be returned within 90 days from receipt of order. It must be as is “off the engine.” Full core credit will be given if core meets acceptance criteria. Cores that are damaged during shipment to Industrial Injection are the responsibility of the customer and their shipping company.
½ CORE CHARGE CREDIT WILL BE GIVEN WHEN:
- Slightly damaged housing or camshaft
- Missing parts such as FCA
No Core Credit issued when:
- Core is seized or hydraulic head is cracked
- Excessive damage ( Heavy use of Bio-diesel and rust are common causes for unacceptable core)
- Core is fire damaged
- Core is returned after 90 days/3months
Please do the following when returning a core:
- Make sure you have removed all fittings from your old unit
- Drain all fuel and oil from unit
- Package cores so that fuel and oil does not escape from the package
NOTE: packages that have fuel or oil residue on the outside of the box during shipping will not be delivered by UPS or the postal service which will cause delays.
- Please re-use boxes and bags that parts were shipped in originally. These boxes are UPS approved to reduce damage while being handled in freight.
- All shipping charges are the responsibility of the customer
- Please write on the box “Core Return” and have RA # clearly written on the outside of box
- Include copy of original invoice and RGA inside box
PLEASE RETAIN RA#, INVOICE # AND TRACKING NUMBER UNTIL CREDIT IS RECEIVED BY YOU. We do not research by customer name, only invoice # or RA #.
