Description

Ultra Pro Magnum XD Rocker w/ 1.55 Ratio for Chevrolet V6 and SBC w/ 3/8" Stud The Ultra Pro Magnumââ??¢ 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.

• Specifications

  • Engine Family: Chevrolet V6 200-262
  • Maximum Valve Spring Open Pressure: 1000
  • Rocker Arm Material: 8650 Chromemoly Steel
  • Rocker Arm Ratio: 1.55
  • Rocker Arm Series: Ultra Pro Magnum XD
  • Rocker Stud Diameter: 3/8 Inch