Michigan Motorsports LS3 Rocker Arms with Bronze Bushing Trunnions Installed and Billet Stands Included | Fits L99 L76 L96 L92 LY6 L77 L94 L9H Rectangle Port Engines | Pre-Assembled Upgrade

The Michigan Motorsports LS3 Rocker Arms with Bronze Bushing Trunnions Installed and Billet Stands provide the ultimate durability upgrade for high-performance LS rectangle port engines. By replacing factory needle bearings with premium bronze bushings, this kit eliminates a major failure point in stock rocker arms while improving lubrication control and long-term reliability. The included billet rocker stands further strengthen the assembly, reducing flex and improving valvetrain stability under high-RPM and high-horsepower conditions. Pre-assembled for convenience, this package is designed for LS3, L99, L76, L96, L92, LY6, L77, L94, and L9H applications, making it the perfect solution for aggressive camshaft builds, boosted setups, and race-ready LS engines.

• Pre-Assembled Rocker Arms with Bushings – LS3 rocker arms come fully assembled with upgraded bronze bushing trunnions and billet rocker stands, eliminating installation guesswork and saving valuable shop time.
• Upgraded Bronze Bushing Trunnions – Replaces weak factory needle bearings with heavy-duty bronze bushings, providing superior durability, reduced friction, and enhanced lubrication for long-lasting valvetrain stability.
• Billet Rocker Stands for Added Strength – Precision-machined billet stands improve rigidity over factory cast units, minimizing rocker shaft flex at high RPMs and under heavy load for consistent valve control.
• Ideal for High-Performance Builds – Engineered for aggressive camshaft profiles, boosted applications, and high-RPM race engines where stock rockers and stands fall short.
• Fits a Wide Range of LS Rectangle Port Engines – Designed for LS3, L99, L76, L96, L92, LY6, L77, L94, and L9H platforms, making this a versatile and performance-driven upgrade.