COMP Cams Rocker CS 1.5 1/2in Ultra Pro - cca1810-1

Built to outlast and outperform in accuracy and strength, the Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application from 1.5 to 1.8 in .5" increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI (moment of inertia) optimization for drag and circle track applications. * Machined billet pushrod seat insert for wide range of rocker ratios used in popular Chevy and Ford applications * 8650 Steel construction outlasts and outperforms other rockers in accuracy and strength * For applications with up to 1000 lbs. open spring pressure * Precision-sorted needle bearings and hardened roller tips better distribute the load and reduce wear * Engineered for use in circle track and drag race applications PartNumber : cca1810-1 Description : Ultra Pro Magnum XD Rocker Arm; Must use screw-in studs and guide plates; Single Piece Title : 1810-1 Rocker, CS 1.5 1/2" Ultra Pro Mag XD California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Engine Family : Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) Maximum Valve Spring Open Pressure : 1000 Rocker Arm Material : 8650 Chromemoly Steel Rocker Arm Ratio : 1.5 Rocker Arm Series : Ultra Pro Magnum XD Rocker Stud Diameter : 1/2 Ratio : 1.5 Stud Diameter : 1/2" 1974 Chevrolet Camaro Base V8.5736cc Engine Components::Rocker Arms 1972-1973 Chevrolet Camaro Base V8.5737cc Engine Components::Rocker Arms 1964-1967 Chevrolet Impala SS V8.-cc Engine Components::Rocker Arms 1971-1972 Chevrolet Kingswood Base V8.6555cc Engine Components::Rocker Arms 1971-1972 Chevrolet Kingswood Estate V8.6555cc Engine Components::Rocker Arms 1977 Oldsmobile Omega Brougham V8.-cc Engine Components::Rocker Arms 1977 Oldsmobile Omega SX V8.-cc Engine Components::Rocker Arms 1989-1992 Pontiac Firebird Trans Am GTA V8.-cc Engine Components::Rocker Arms