Pre-Assembled LS1 Rocker Arms with Upgraded Trunnions: Fully assembled and ready to install, featuring high-performance trunnions for improved durability and smoother operation.
Enhanced Valvetrain Stability: Upgraded trunnion bearings replace the factory needle bearings, providing greater strength and reduced failure risk under high-performance conditions.
Direct Fit for GM LS Engines: Designed for 4.8L, 5.3L, 5.7L, 6.0L LS-based engines, including LS1, LS2, LS6, LQ4, LQ9, LY5, LM7, and L33, making them ideal for performance upgrades or OEM replacements.
Improved High-RPM Performance: Upgraded trunnions allow for increased RPM potential and greater valvetrain control, making them a reliable choice for street, strip, and track applications.
Designed for Long-Term Durability: Machined to OEM specifications with high-strength materials to withstand aggressive camshafts and high-lift applications, ensuring long-lasting performance.