Product Summary

Roller Rocker Arm Style, 1.6:1 Rocker Arm Ratio

  • 1.6 Ratio, 5/16" Bolts
  • Pedestal Mount
  • Cage Roller Needle Bearing Trunions
  • Fits Ford 1977-1994 302HO and 351W Engines with Hydraulic and Roller Cams
  • PROFORM Parts Brand Product
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Key Specs

MFG. Part #66879
Rocker Arm StyleRoller
Rocker Arm Ratio1.6:1
Stud Size0.3125"
Material TypeAluminum
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Need To Know

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Proform 66879 Details

PROFORM Super Street Aluminum Roller Rockers have a beautiful anodized finish, extremely tight tolerances, and upgraded cage bearings. Fits Ford S/B aluminum cylinder heads, pedestal mount '77-'94, 302HO and 351W hydraulic and roller cams. 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.

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Proform 66879 Specifications

KEY SPECS
MFG. Part #66879
BrandProform
Rocker Arm StyleRoller
Rocker Arm Ratio1.6:1
Stud Size0.3125"
Material TypeAluminum
GENERAL
Stud Diameter0.3125"

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