Product Description
Michigan Motorsports LS1 Rocker Arm Bushing Trunnion Upgrade Kit
Fits LS 4.8 5.3 5.7 6.0 6.2 LSX Engines | Includes 2 Replacement Bushings
Upgrade the reliability and durability of your factory LS rocker arms with the Michigan Motorsports LS1 Rocker Arm Bushing Trunnion Upgrade Kit. Designed for high-performance LS engine applications, this bushing-style trunnion setup helps eliminate the common factory needle bearing failures associated with stock LS rocker arms. Ideal for street performance, boosted combinations, racing builds, and aggressive camshaft applications, these bushings provide improved rocker arm stability and long-term durability under high RPM and high valve spring pressure conditions. This kit includes two replacement bushings and is an excellent solution for refreshing or upgrading your factory LS rocker arm assemblies.
Key Features & Benefits
- Bushing-Style Trunnion Upgrade: Replaces factory needle bearings with durable bushings for improved reliability and performance.
- Improved High RPM Stability: Designed to handle increased valve spring pressure and aggressive camshaft setups common in performance LS builds.
- Helps Prevent Bearing Failure: Eliminates the common issue of factory needle bearings failing and damaging engine components.
- Ideal for Performance Applications: Great for naturally aspirated, boosted, nitrous, street, strip, and race engine combinations.
- Includes Replacement Bushings: Kit includes two high-quality replacement bushings for rocker arm service or upgrades.
Key Fitments
- Compatible with factory LS rocker arm assemblies.
- Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS and LSX engine applications.
- Fits: LS1, LS2, LS6, LSX, LQ9, LQ4, LM7, LR4, L59, L33, LY5, LY6, L92, LS3, L99
- Included: Two replacement bushings.
