1.45″ Tappets for 1989–2016 Dodge Cummins – Expanded Surface Area for Longer Lobe Life Upgrade your valvetrain with these 1.45″ tappets, specifically designed to fit...
The permanent fix for the 2019-2024 Ram 6.7L Cummins roller-lifter problem. This complete kit replaces the failure-prone factory hydraulic roller lifters and camshaft with Hamilton's proven flat tappet design, removing the OEM roller-bearing failure point at the source — before it wipes a cam lobe and contaminates the engine.
Includes: forged 178/208 camshaft, DLC-coated steel tappets, heavy-duty pushrods, and adjustable rocker arms with DLC-coated trunnions.
Runs on factory calibration — no tune required
49-state / SEMA certified, all emissions equipment intact
1.45″ Steel Tappets – Designed for High RPM & Heavy Valve Spring Pressures Upgrade your valvetrain with our 1.45″ Steel Tappets, engineered to handle 110#...
Hamilton Cams Complete Kit for Cummins Engines Strength, durability, and precision—those are the hallmarks of our Hamilton Cams flat tappet conversion kit™. From forged steel camshafts...
