GM retro-fit LS trunnion kits are designed to convert stock LS series rocker arms into captured roller trunnions for high-RPM race applications. They include rocker arm trunnions, bearings, and retaining rings for a complete installation. Keep your valvetrain reliable throughout the entire RPM range with one of these GM LS rocker arm bearing upgrade kits.

LS Trunnion Kit includes:

• 16 rocker arm trunnions, LS-type retrofit
• 32 rocker arm bearings, LS-type retrofit
• 32 rocker arm retaining rings, LS-type retrofit
• 16 bolts for LS trunnion kit
• 2 washers for pressing trunnions