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
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...
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...
High-Performance Cam Bearings – Made in the USA for Hamilton Cams ($21.43 each) Upgrade your Cummins valvetrain with our premium cam bearings, engineered to withstand...
These 1.45-inch DLC-coated steel tappets are intended for high-RPM builds using 110 lb or heavier valve springs. Choose them as part of a matched camshaft and spring combination; contact us if you need help confirming the setup.
