Heavy-Duty Extruded Aluminum Roller-Rocker Arm 1.6 Ratio
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PROFORMPART NUMBER: 778-66929C

Heavy-Duty Extruded Aluminum Roller-Rocker Arm 1.6 Ratio

$21699
ShippingShips on 09/14/2026
Lowest PriceLowest Price Guarantee

    Heavy-Duty Extruded Aluminum Roller-Rocker Arm
  • 1.6 Ratio
  • 3/8 in. Stud
  • Clamshell Package

  • Oversized Body And Fulcrum
  • Triangulated Profile For Additional Strength

    Reduce Valvetrain Wear With Roller Rockers

    One of the best ways to rid an engine of internal friction is with a set of aluminum roller rocker arms. Proform's race-proven roller tips unleash horsepower, eliminate valve stem tip wear and tear, and extend valvetrain component life. These aluminum roller rockers are precisely machined to ensure ratio accuracy and consistency.

Part TypeRocker Arm
Product LineProform Aluminum Roller Rocker Arms
BrandPROFORM
Package Height3.25
Package Width11.75
Package Length13.0
Weight7.0 PG
Part CategoryPerformance Parts
Stud Size 0.3750
Ratio1.6
Part FitmentSemi Universal
Engine Make/SizeChevy Small Block (262-400)
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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