LS Rocker Arm Set- 16

The EngineTech ER359 is a direct-replacement roller rocker arm engineered for GM V8 “Vortec/LS” style engines. It’s built with durability and performance in mind, making it suitable for both daily-driven and moderate performance applications.

Key Features & Benefits

• High-quality roller design: smooth contact, reduced friction, and less valve train wear. 

• Improved pivot and hardened components for enhanced durability under demanding conditions. Easily matched for stock dimensional requirements — drop-in fit for many GM LS engines. 

• Economical solution: cost-effective per arm compared to heavy-duty aftermarket rockers — great for engine rebuilds.

Typical Applications & Fitment

• GM GEN 3&4 V8 (Vortec / LS-based) in trucks, vans and performance vehicles