Manley Aluminum Roller Rocker – Big Block Chevy 7/16″ 1.7 Ratio

Description 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. 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