Description

Ultra ARC Rocker Set w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud The Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power improve valvetrain stability and enhance oiling efficiency. Their extruded designâ??developed using FEA analysisâ??creates a stronger stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced Recessed Countroured design delivers an optimal strength-to-weight ratio. Backed by a Lifetime Warrantyâ??buy them once and use them forever. Engineered for applications running up to 700 lbs of open spring pressure.

• Specifications

  • Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
  • Maximum Valve Spring Open Pressure: 700
  • Rocker Arm Material: Aluminum
  • Rocker Arm Ratio: 1.7
  • Rocker Arm Series:Ultra ARC Aluminum
  • Rocker Stud Diameter: 7/16 Inch