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...
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.
Bronze Cam Retainer / Thrust Plate This bronze cam retainer replaces the factory thrust plate and uses the factory part’s dimensions. Review the listed vehicle...
The 178/208 cast camshaft is intended for towing and low-RPM Cummins applications, with a listed operating range from idle to 4,000 RPM. Check the piston-to-valve clearance requirements for your engine before installation. Review the full cam specifications, break-in instructions and required supporting parts below.