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Replacement Parts

Engines & Engine Parts

Rocker Arms & Parts

Michigan Motorsports LS3 Rocker Arm Kit with Upgraded Trunnions Installed and OEM LS3 Stands | Fits L99 L76 L92 | LS Valvetrain Upgrade for Enhanced Stability and Durability

Michigan Motorsports LS3 Rocker Arm Kit with Upgraded Trunnions Installed and OEM LS3 Stands | Fits L99 L76 L92 | LS Valvetrain Upgrade for Enhanced Stability and Durability
- Complete LS3 Rocker Arm Upgrade with Trunion Kit – Michigan Motorsports delivers a premium LS3 rocker arm assembly pre-installed with a high-performance trunion upgrade, eliminating factory needle bearings for superior strength and longevity.
- Includes GM Rocker Stand Part #12600936 – This kit comes with genuine GM LS3 stands (12600936), ensuring precise fitment and optimal valvetrain geometry for LS3, L99, L76, and L92 applications.
- Stronger, More Durable Trunion System – Upgraded bronze bushings replace the weak factory needle bearings, reducing wear and increasing durability in high-RPM and high-load conditions.
- OEM Stands for Enhanced Stability – GM LS3 rocker stands provide a secure and accurate fit, maintaining proper rocker arm alignment under high performance conditions.
- Direct Bolt-On Installation for LS3-Based Engines – No modifications required. This pre-assembled rocker arm kit ensures a straightforward installation, making it ideal for LS performance builds, engine swaps, and valvetrain upgrades.
Country USA
Brand Michigan Motorsports
Manufacturer Michigan Motorsports
ItemPartNumber MMLS3RockerKit+Stands
Model MMLS3RockerKit+Stands
Warranty 30 Days
UnitCount 1
ReleaseDate 0000-00-00

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