
PROFORMPART NUMBER: 778-66913P
Aluminum Roller Rocker for Big Block Chevy with 1.7 Ratio & 7/16" Stud
$2799
Chevy Big Block
- Aluminum Roller Rocker
- Big Block Chevy
- 1.7 Ratio
- 7/16" Stud
- 1/pkg
- Rated for up to 450 lbs of Open Load Pressure
- Precision machined
- Lengthen Valve Train Component Life
- Reduce Wear On Valve Stem Tips
Part TypeRocker Arm
BrandPROFORM
Package Height2.1
Package Width2.2
Package Length3.9
Weight0.49 PG
Part CategoryPerformance Parts
Rocker Arm Body StyleStandard
Arm FinishBlue anodized
Rocker Arm Ratio1.7
Shims IncludedNo
Rocker Arm Nut StylePolylock
Arm MaterialAluminum
QuantitySold individually
Part FitmentSemi Universal
Rocker Arm Mounting StyleStud
Self-AligningNo
Rocker Arm StyleFull roller
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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