Proform | Aluminum Roller Rockers
Full needle bearing, fulcrum and roller tip unleashes horsepower and lengthens valve train life. Designed for open spring pressures approx. 350 lbs.
Part Type: Super Street Rocker Arms
Application: Chevrolet Big Block
Rocker Arm Material: Extruded Aluminum
Rocker Arm Style: Roller Tip
Rocker Arm Ratio: 1.7
Self-Aligning or Guide Plates: Guide Plates
Rocker Arm Mounting Style: Stud
Stud Size: 7/16"
Roller Tip: Yes
Roller Trunnion (Body): Yes
Rocker Arm Nut Included: Polylock
Rocker Pivot Balls Included: No
Rocker Arm Finish: Blue Anodized
Maximum Spring Diameter: 1.500"
Shims Included: No
Manufacturer: Proform
Manufacturer's Part Number: 66913
UPC: 037995369133
Weight: 8 lbs.
Quantity: Sold in Sets of 16
Warranty: Limited Warranty- Specialty Auto Parts U.S.A., Inc. will, within a reasonable period of time, repair or replace free of charge any part listed, which upon careful inspection is found, in our sole judgment, to have material or manufacturing defects, provided it is received within 30 days of date of purchase. There is absolutely no warranty for the following conditions: (1) Any parts used on racing applications, (2) Any part that has been physically or mechanically altered, (3) Any part that has been improperly installed or maintained, (4) Any part used in improper applications or not used in conjunction with the proper parts. Specialty Auto Parts U.S.A., Inc. will not be responsible for incidental damages, consequential damages, property damages, or personal injury damages to the extent permitted by law.
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