Straight Camshaft Key for 6BT Cummins (’89–’25) Ensure a secure, precision fit for your 6BT Cummins camshaft with this Straight Key, compatible with 1989–2019model years....
12mm extreme duty pushrods for 1998.5–2018 24-valve 5.9L and 6.7L Cummins engines. Review the listed specifications and vehicle fitment to confirm the right match for your valvetrain.
Our 103 lb springs are the 24-valve option listed for builds up to 4,500 RPM. Tool steel retainers are sold separately. For higher-RPM competition use, review the 110 lb springs and their camshaft and tappet requirements.
High-Zinc & Phosphorus Diesel Oil Additive – Ideal for Flat Tappet Cams Boost the protective power of your diesel oil with this ZDDP-rich additive, formulated...
This product has multiple variants. The options may be chosen on the product page
Bolt-On Cam Gear Retainer for Mechanically Injected Engines Secure your helical cut cam gear during high RPM, high fuel-delivery situations with our Bolt-On Cam Gear...
This kit replaces the problematic factory hydraulic roller lifters and camshaft to a reliable flat tappet. It is 49 state certified. We are confident it would pass CARB testing, but we don't do business in California. This kit will fit and is emission certified for all Ram 2019-2024 2500 and 3500 diesels not in California.
It comes with
- 178/208 Forged camshaft
- DLC coated steel tappets
- upgraded pushrods
- Adjustable rocker arms with DLC coated trunnions
See link for install kit from DNR customs!
DNR Cam Removal Tray With Complete Removal/Install Kit for 19+ Cummins - DNRcustoms.com
People have noticed an increase in spool up and throttle response, fuel economy gains and EGT reductions, all on stock vehicles with OEM tuning and all emission equipment present. Click on the description tab below for more information.
For installation help, see the Qualified Installers section in the full product description below.
These 1.45-inch tappets provide a larger contact face than the older 1.1-inch design and clear the 12-valve fuel pump eccentric. Check the engine years listed below and match the tappets to your camshaft; follow your cam’s oil and break-in requirements.
24-Valve Cummins Tool Steel Retainers Tool steel valve spring retainers for 24-valve Cummins builds using higher-lift cams or operating above 4,500 RPM. For these high-RPM...
24-Valve Cummins Valve Spring Compressor This compressor is designed for changing valve springs on a 24-valve Cummins with the cylinder head installed. Check the listed...
Extreme duty pushrods for 1989–1998 12-valve 5.9L Cummins engines. Review the listed specifications and vehicle fitment to confirm compatibility with your engine and valvetrain.
This 178/208 combo brings together the camshaft, heavy-duty pushrods, 103 lb valve springs and tappets for 1998.5–2018 24-valve Cummins engines. The grind is aimed at low-RPM response; installation still requires the clearance checks and break-in procedure below.
A full set of 12 forged bridges for the 24-valve Cummins valvetrain. Confirm compatibility with your engine and rocker-arm setup before ordering, especially when combining aftermarket valvetrain parts.