Manley 62-01 Ford Boss 351C-M 1.73in x 7/16in Aluminum Roller Rocker Arm Kit - 432895-16

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"