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Exhaust

900-4320A

Roller Rocker Arms - 1.5:1 Rocker Ratio - Shovelhead '66-'84

  • Machined from 8620 steel heat treated forgings for maximum strength
  • 0.750" long S&S rocker arm bushing which provides 50% more load bearing surface than stock 0.500" bushings
  • Can be oiled through pushrods when used with S&S Shovelhead-style tappet guides and pushrods
  • Compatible with stock and S&S billet Shovelhead-style rocker boxes
  • Includes two each of the front and rear rocker arms
  • Made in the USA

Notes

  • Some clearancing may be required when using stock rocker boxes.