Rather than risk this on our LS3, we installed an LS rocker-arm bearing upgrade kit that replaces the factory bearing and trunnions and adds the safety of snap rings to keep it all in place.

Rocker Arm Alignment Kit Explained | Engine Building for Classic Cars. Posted: June 26, 2025 | Last updated: June 26, 2025. Love classic cars and vintage engines? 🚗🔧 Join us as we explore ...

With a retail price of just over $100, the kit comes with upgraded trunnions, captured needle roller bearing assemblies, and works with any factory LS rocker. That’s right, this kit works even ...

Low-Buck LS Valve Spring And Rocker Arm Upgrade. A budget LS valvetrain swap. HOT ROD Staff Writer Jun 18, 2020. ... The Summit conversion kit we chose uses larger needle bearings, ...

The rocker arm ratio effectively multiplies the amount of lift from the camshaft and applies it opening the valve. For instance, a typical small-block Chevy like the much-maligned 305 has a stock ...

If you're planning on higher than stock rpm or making more than 500 hp, consider the Comp Cams' Rocker Arm Trunnion Upgrade Installation Kit for the LS1/2/3/6/7 (PN 13702-KIT) as part of your LS ...