Product Description
Michigan Motorsports LS1 Rocker Arm Bushing Trunnion Upgrade
Single Rocker Arm Trunnion Upgrade | Fits LS 4.8 5.3 5.7 6.0 6.2 LSX Engines
Upgrade the durability and reliability of your factory LS rocker arms with the Michigan Motorsports LS1 Rocker Arm Bushing Trunnion Upgrade. Designed for a single rocker arm assembly, this bushing-style trunnion setup replaces the factory needle bearing arrangement commonly known to fail in high-performance LS applications. Ideal for repairing or upgrading individual rocker arms, this setup helps improve stability and durability in engines running upgraded camshafts, increased valve spring pressure, boost, nitrous, or extended high RPM use. Whether you're servicing one damaged rocker or building a custom valvetrain combination, this upgrade provides a more dependable solution for serious LS engine builds.
Key Features & Benefits
- Single Rocker Arm Upgrade: Designed to service or upgrade one individual LS rocker arm assembly.
- Bushing-Style Trunnion Design: Provides improved durability and reliability compared to factory needle bearing trunnions.
- Ideal for High Performance Applications: Excellent for engines with upgraded camshafts, increased spring pressures, boost, nitrous, or high RPM operation.
- Helps Prevent Needle Bearing Failure: Reduces the risk of factory bearing failure and potential engine damage caused by loose needle bearings.
- Complete Single Rocker Service Components: Includes 2 replacement bushing bearings, 1 trunnion, and 2 retaining clips.
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: 2 replacement bushing bearings, 1 trunnion, and 2 retaining clips for one rocker arm.
