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Self-Aligning Aluminum Roller Rockers for Small Block Chevy with 1.6 Ratio & 3/8" Stud
InfoVehicle Info Needed
PROFORMPART NUMBER: 778-66915C

Self-Aligning Aluminum Roller Rockers for Small Block Chevy with 1.6 Ratio & 3/8" Stud

$27999
4 left in stock
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Chevy Small Block
    Self-Aligning Aluminum Roller Rockers
  • Small Block Chevy with Centerbolt Valve Covers
  • 1.6 Ratio
  • 3/8" Stud
  • 16/pkg

  • Rated for up to 450 lbs of Open Load Pressure
  • Precision machined
  • Lengthen Valve Train Component Life
  • Reduce Wear On Valve Stem Tips

    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 Height1.6
Package Width11.6
Package Length12.6
Weight6.55 PG
Part CategoryPerformance Parts
Arm FinishBlue anodized
Rocker Arm Ratio1.6
Includes ShimsNO
Shims IncludedNo
PositionN/A
Maximum Spring Diameter1.5 in (38.1 mm)
Stud Size 0.3750
Nut StylePolylock
Rocker Arm Nut StylePolylock
QuantitySold as a set of 16
Rocker Arm Mounting StyleStud
Engine Make/SizeChevy Small Block (262-400)
Self-AligningYes
Rocker Arm StyleFull roller
Rocker Arm Body StyleNarrow
Arm MaterialAluminum
Ratio1.6
Part FitmentSemi Universal
Slot Width0.6 in (15.2 mm)
Vendor Part Number66915C
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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