Description

Magnum Roller 1.7 Ratio Rocker Arm Set for Ford 289-351W w/ 3/8" Stud Applications:Ford Small Block 289 c.i. 302 c.i. 351 c.i.d. Windsor V8 with Rail Type Rockers '68-'89For 3/8" Studs / 1.7:1 Ratio Magnum Roller Rocker Arms. Magnum Roller Rockers are the ultimate street Rocker because they were designed with the Serious performance enthusiast in mind. They will help your engine make more power and last longer.Ultimate street Roller Rocker arm designed for Serious performance enthusiastsConstructed from 8620 chromemoly Steel a superior material that will not flex and ensures maximum liftRoller tip reduces friction while stiff design and superior ratio accuracy yield more effective valve liftFor Applications with less than 350 lbs. of open spring pressure Also Available in Rocker/Pushrod Kits: (For Flat Tappet Lifter Applications) (For Flat Tappet Lifter Applications) (For OE-Roller Lifter Applications)

• Specifications

  • Engine Family: Ford 289-351W (1968-1989) with Rail Type Rockers
  • Maximum Valve Spring Open Pressure: 350
  • Rocker Arm Material: 8620 Chromemoly Steel
  • Rocker Arm Ratio: 1.7
  • Rocker Arm Series: Magnum
  • Rocker Stud Diameter: 3/8 Inch