Our all-new Pro Series Billet Aluminum Rocker Arms are engineered for top performance across street, strip, and track applications. Machined from high-quality 2024 billet aluminum extrusions, these rockers feature precision-ground needle and cage bearings, reducing friction with full complement needle bearings. With the heat-treated and polished steel nose rollers, axles, and trunions, wear is minimized for lasting durability. An anodized finish enhances protection, and each 16-piece set comes complete with Poly Locks for secure installation.
Features
- CNC-Machined from 2024 Billet Aluminum
- Anodized Finish for Increased Durability Under Extreme Heat Conditions
- Shot-Peened to Increase Strength & Reduce Stress Risers
- Heat-treated and Polished Steel Axles Have a 60-62 Rockwell Hardness
- Rated at 750lbs Open Spring Pressure
- Multiple Oil Channels for Pushrod and Valve Tip Lubrication
- Poly Locks Included for Secure Installation
- Small Block Chevy Rockers Clear 1.625 O.D. Valve Springs
Specs
- Ratio: 1.73
- Stud Size: 7/16 in
- Manley Aluminum Rocker Arm-FORD BOSS 351C-M, 400, 429, 460 1968-97 1.73 X 7/16"