Rocker Arm Bearing - Trunnion Upgrade - GM LS-Series - Kit

Eng Rocker Arm Pivot

Upgrades stock LS Series Rocker arms with captured Roller trunnions for modified applications. NASCAR spec LS engine proven to increases stability and stiffness.

Additional Information

Our trunnion upgrade kit converts a stock LS series rocker arm into a captured trunnion for increased stability and stiffness. Compatible with stock geometry, our trunnion kit can be performed in 30 minutes with a C-clamp or a bench vise.

Part Type

Engine Rocker Arm Pivot Bearing

Product Overview

GM, 4.8, 5.3, 5.7, 6.0, 6.2, 7.0, LS1, LS2, LS3, LS4, LS6, LS7, LSA, LS9, Camaro, Silverado, LS Swap, 383, 350, SBC, Chevelle, Yukon, L92, LM7, 325, GMC, Trailblazer, Corvette, GM LS, GEN III, GEN 3, GEN IV, GEN 4, DOD, AFM, VVT, BTR, Texas Speed

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Rocker Arm Trunnion Upgrade Kit, Upgrade, GM, Gen. 3/4 LS Cathedral or Rectangle Port Rockers, Set of 16

COMP Cams retrofit trunnion kits for GM LS Series engines 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.

Kits include:
• 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