Engine Roller Rocker Arm Set; 1.7 Ratio; 7/16 Stud; Aluminum; Fits BB Chevy | #66913

Super-Street Chevy 
Aluminum Roller Rockers

1.7 Ratio; 7/16" Stud
Fits Chevy Big Block V8 Engines
Features:
  • 1.7 Ratio 7/16 Stud
  • Anodized Aluminum with Full Cage Bearing Trunnions
  • Use with a Max Spring Diam. of 1.500 Inches
  • Blue Anodized Finish with Laser-Etched "P" Emblem
  • Poly Locks Included
  • PROFORM Parts Brand Product
  • Sold as One Set of 16 Pieces
PART# 66913
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Newly Designed Super Street Series Roller Rockers! Rid your engine of internal friction with roller-tipped rocker arms. The race-proven full cage 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. Each rocker arm has a laser etched PROFORM "P" logo. 16 anodized aluminum roller rockers and 16 poly locks are included in the kit.

  • Rid your engine of internal friction with roller-tipped rocker arms.
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