Description
Rocker arm geometry directly impacts valve timing accuracy and overall engine efficiency—inferior arms introduce deflection that robs you of power and reliability. Comp Cams’ Ultra Pro Magnum XD design delivers the rigidity and precision needed for consistent, repeatable performance in high-RPM applications. Built from chromoly with a full roller design, these rockers minimize friction while maximizing durability across extended racing seasons.
- Rocker Arm Type: Full Roller
- Material: Chromoly Steel
- Ratio: 1.50:1
- Mount Style: 7/16″ Stud
- Application: Small Block Chevy
- Quantity: Set of 16
- Installation: Bolt-On
- Design: Ultra Pro Magnum XD






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