Street HD Rocker Arm Trunnion Upgrade Kit | 1998.5 - 2024 Cummins Cummins Hard Parts Note: This does not apply

Note: This does not apply to 2019–2023 trucks

and more reliable than the factory design

MPVI4 is the next evolution of HP Tuners’ hardware—designed to meet today’s demands and tomorrow’s opportunities

Catch Can Drain Line W/Drain Plate

Prevents short-shifting in performance applications

Street HD Rocker Arm Trunnion Upgrade Kit | 1998.5 - 2024 Cummins Cummins Hard Parts Note: This does not applyTake your diesel engines reliability and performance to the next level with the Performance Diesel Worx Street HD Rocker Arm Trunnion Set with Polishing Tool the ultimate upgrade for one of the most overlooked components in high performance builds. The factory rocker arm trunnions are designed to handle stock power levels, not the increased loads from performance upgrades. When subjected to higher horsepower, the OEM trunnions can quickly become