COMP Cams 1808-1 – Rocker CS 1.55 7/16in Ultra Pro

Description

COMP Cams 1808-1 – Rocker CS 1.55 7/16in Ultra Pro

Ultra Pro Magnum XD Rocker w/ 1.55 Ratio for Chevrolet V6 and SBC w/ 7/16″ Stud

Machined from 8650 steel with a billet pushrod seat, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1808 rocker features a 1.55 ratio for use with 7/16″ stud Chevrolet V6 and 265-400 Small Block.

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert offers exceptional durability. These new Stud mount Rockers are fully rebuildable and use precision-sorted needle bearings and hardened Roller tips to better distribute the load and reduce wear for a longer service life. In addition, 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 optimization for endurance, drag and circle track Applications.

Engine Family: Chevrolet V6 200-262Maximum Valve Spring Open Pressure: 1000Rocker Arm Material: 8650 Chromemoly SteelRocker Arm Ratio: 1.55Rocker Arm Series: Ultra Pro Magnum XDRocker Stud Diameter: 7/16Amazon ASIN: B0066T0H7UC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.C.A.R.B. Exempt for On-Road Vehicles?: NoC.A.R.B. Exemption Reason: N/AC.A.R.B. E.O. Number: N/A