NEW Roller Rocker Arms
Manley’s Pro Series Billet Aluminum Rocker Arms are the result of engineering and dyno testing where each material and design choice resulted in the ideal aluminum rocker arm upgrade. Utilizing 2024 billet aluminum and CNC machining, you’ll find a higher level of precision and strength and unlock performance over common stamped steel rocker arms. More Info
- Heat-Treated and Polished Steel Components: The nose rollers, axles, and trunions are heat-treated and polished to achieve a 60-62 Rockwell hardness, minimizing wear and extending the lifespan of your rocker arms.
- Anodized Finish: An anodized finish provides an extra layer of protection against corrosion and the harsh conditions found in high-performance engines.
- Shot-Peened: To further enhance strength and reduce stress risers, each rocker arm is shot-peened, ensuring they can handle the high demands of your engine.
- Rated at 750lbs Open Spring Pressure: These Rocker arms are designed to handle high spring pressures, supporting high performance valve trains.