Proform Rocker Arm - Performance 66915C- ReadReviews onProform #66915C

Proform Rocker Arm - Performance

Not Vehicle Specific
Part Number: 66915C
Alternate Part Number: 66915
Features & Benefits

Fits Chevy small block engines w/ center hold-down valve covers. 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.

  • Fits Chevy small block engines w/ center hold-down valve covers.
  • 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.
Product Details
Part Number: 66915C
Weight: 6.5lbs
Adjustable: No
Color / Finish: anodized blue
Components Included: roller rocker and poly locks
Item Grade: High Performance
Maximum Operating Range (rpm): 7500
Package Quantity: 16
Rocker Arm Material: aluminum
Rocker Arm Mounting Style: Stud
Rocker Arm Ratio: 1.6
Rocker Arm Style: Full Roller
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
  • Overall

    Proform Rocker Arm - Performance


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