Product Summary

Roller Rocker Arm Style, 1.5:1 Rocker Arm Ratio

  • 1.5 Ratio 3/8 Stud
  • Aluminum with Cage Bearing Trunions
  • Blue Anodized Finish with Laser-Etched "P" Emblem
  • Use with a Max Spring Diam. of 1.400 Inches
  • Poly Locks Included
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Key Specs

MFG. Part #66907
Rocker Arm StyleRoller
Rocker Arm Ratio1.5:1
Stud Size.375"
Material TypeAluminum
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Proform 66907 Details

Rid your engine of internal friction with roller-tipped rocker arms. The race-proven full needle bearing, fulcrum and roller tip not only unleash horsepower, they also lengthen valve train component life and reduce wear and tear on valve stem tips. Precision machined to insure consistency and ratio accuracy. 16 extruded aluminum roller rockers and 16 poly locks.

Proform 66907 Specifications

KEY SPECS
MFG. Part #66907
BrandProform
Rocker Arm StyleRoller
Rocker Arm Ratio1.5:1
Stud Size.375"
Material TypeAluminum
GENERAL
Stud Diameter0.38"

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