Manley Aluminum Rocker Arm Kit-Pont 287-455 &Amp; 4.3L V8 1958-81 1.65 X 7/16" - 434212-16
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.
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
Manley Performance was founded by Hank Manley in 1966
his desire for speed and to win led him to build his own racing engines. Since that time Manley has continued to evolve
using the knowledge they have gained since the beginning and building on that to continue to bring the best engine components to the market. The goal at Manley Performance remains laser focused on designing and producing the highest quality internal engine components at extremely competitive prices coupled with excellent customer service.
