Michigan Motorsports LS3 Rocker Arms with Bronze Trunnions Installed | Fits GM 6.0L 6.2L LS Engines L99 L76 L92 LS9 LSA L96 | Upgraded Bronze Bushing Trunnion Design

Features

• Bronze Bushing Trunnion Upgrade: Replaces factory needle bearings with high-strength bronze bushings to improve durability, oil control, and reliability in demanding LS engine applications.
• Pre-Assembled Ready to Install: Trunnions are professionally installed, eliminating the need for press work or specialty tools and ensuring consistent assembly quality.
• Enhanced Valvetrain Stability: Reduces the risk of trunnion failure at high RPM, making these rocker arms ideal for performance cams, boosted setups, and aggressive driving.
• Wide LS3-Style Compatibility: Designed to fit multiple GM 6.0L and 6.2L LS engine variants commonly used in performance and late-model applications.

Description

Designed for LS1, LS3, LSX, LS2, LS7, and LT1 engines, this trunnion upgrade kit enhances stability, reduces friction, and boosts longevity. Whether you’re on the track, street, or dyno, this precision-machined kit is built to perform. Built for Durability | Precision Fit | Maximum Stability Standard LS Rocker Arm Trunnions come with needle bearings prone to failure, leading to engine damage. Our bronze bushing upgrade eliminates this risk, providing maximum strength and reliability under extreme RPMs. Engineered for Reliability, Built for Power Each component in this Michigan Motorsports Trunnion Upgrade Kit is precision-machined to ensure maximum strength, durability, and performance under high RPM conditions. Installation Procedure: Michigan Motorsports has been a leader in high-performance LS engine parts for years, trusted by racers, mechanics, and enthusiasts worldwide. Our Bronze Bushing Rocker Arm Trunnion Upgrade Kit has helped countless LS owners eliminate failures, improve efficiency, and extend the life of their engines. Our mission is to sell the highest quality, most affordable LS/LT swap products on the market. Our fantastic service team and sales staff with over 60 years of combined experience make us an excellent resource for LSx/LTx products! "The only thing faster than our shipping is an LS." Orders placed before 3pm est are shipped from our facility in Niles, Michigan, THE SAME DAY! Michigan Motorsports is a leading performance parts supplier specializing in LS and Gen V LT engine components. We offer high-quality camshafts, valvetrain parts, harnesses, and accessories for street and race builds. We’re gearheads first—offering expert knowledge, real-world testing, and unmatched service to help every builder succeed. Michigan Motorsports was founded by enthusiasts driven to make premium LS & Gen V LT parts more accessible and affordable to every builder out there. Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store Visit the Store

Manufacturer: ‎Michigan Motorsports

Brand: ‎Michigan Motorsports

Model: ‎LS3 Rocker Arms with Bronze Bushings Installed

Item model number: ‎MM-BBLS3RA

Is Discontinued By Manufacturer: ‎No

Exterior: ‎Machined

Manufacturer Part Number: ‎24500-8+F7500-8+74300+assembly

Date First Available: February 17, 2018