Product Summary

Roller Rocker Arm Style, 1.6:1 Rocker Arm Ratio

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    Key Specs

    MFG. Part #66911
    Rocker Arm StyleRoller
    Rocker Arm Ratio1.6:1
    Stud Size.375"
    Material TypeAluminum
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    Proform 66911 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 66911 Specifications

    KEY SPECS
    MFG. Part #66911
    BrandProform
    Rocker Arm StyleRoller
    Rocker Arm Ratio1.6:1
    Stud Size.375"
    Material TypeAluminum
    GENERAL
    Stud Diameter0.38"

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