$$184.00Engine \ Rocker Arms \ Chevy Big Block, Aluminum Roller Rocker Arms66913C
PFM66913C
ProForm 66913C Roller Rocker Arm Set 1.7 Ratio, 7/16 Stud, Extruded, Fits BB Chevy
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 ...
Proform66913C Roller Rocker Arm Set 1.7 Ratio, 7/16 Stud,

Proform

ProForm 66913C Roller Rocker Arm Set 1.7 Ratio, 7/16 Stud, Extruded, Fits BB Chevy

$184.00

Item #: PFM66913C

Mfg Part #: 66913C

UPC #: 37995619139

Applies To Continental U.S. orders only

Quantity:

Qty Available: 0

Specifications
Rocker Arm Specifications
Rocker Arm Mounting Style
Stud
Self-Aligning
No
Rocker Arm Ratio
1.7
Maximum Spring Diameter (in)
1.500 in.
Rocker Arm Style
Full roller
Stud Size
7/16 in.
Shims Included
No
Rocker Arm Material
Aluminum
Rocker Arm Body Style
Standard
Rocker Arm Fasteners Included
Yes
Rocker Arm Nut Style
Polylock
Slot Width (in)
0.600 in.
Rocker Arm Finish
Blue anodized
Quantity
Sold as a set of 16.
Applications
Make
Chevrolet
Engine Family
Chevy big block Mark IV
Engine Size
6.5L/396-7.4L/454
Years
1966-1990
Engine Family 2
Chevy big block Gen V
Engine Size 2
7.4L/454
Years 2
1991-1995
Engine Family 3
Chevy big block Gen VI
Engine Size 3
7.4L/454
Years 3
1996-2000
Engine Family 4
Chevy big block W-engines
Engine Size 4
5.7L/348-6.7L/409
Engine Size 4
1958-1965
General
Brand
Proform
Item #
PFM66913C
Mfg Part #
66913C
UPC
37995619139
Description

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. Sold as one set.

  • Engine Roller Rocker Arm Set
  • 1.7 Ratio With 7/16 Stud
  • Extruded Aluminum Type with Roller Needle Bearing Trunions
  • Fits Big Block Chevy Engines
  • Use With A Max Spring Diameter Of 1.500 Inches
  • Blue Anodized Finish
  • Poly Locks Included
  • Sold As One Set
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