Michigan Motorsports LS1 Rocker Arms with Upgraded Trunnions | Pre-Assembled for GM LS Engines | Fits 4.8 5.3 5.7 6.0 LS2 LS6 LQ4 LQ9 LY5 LM7 L33 | Enhanced Durability and Performance

Description

⚡ Upgrade your LS valvetrain—because every RPM counts!

Michigan Motorsports LS1 Rocker Arms come pre-assembled with upgraded trunnion bearings, designed to fit a broad range of GM LS engines. Engineered for enhanced durability and high-RPM performance, these rocker arms replace factory needle bearings with stronger trunnions, ensuring long-lasting valvetrain stability for street and track applications.