Description

Ultra ARC Rocker w/ 1.72 Ratio for Ford 289-351W w/ 3/8" 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 Contoured 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: Ford 289-351W
  • Maximum Valve Spring Open Pressure: 700
  • Rocker Arm Material: Aluminum
  • Rocker Arm Ratio: 1.72
  • Rocker Arm Series:Ultra ARC Aluminum
  • Rocker Stud Diameter: 3/8 Inch