• Stock-height basic engine is direct bolt in replacement for aging 80″ H-D Evolution engines
  • Does not include carb or ignition; use stock or aftermarket carburetor and air cleaner
  • 508 cam
  • Forged rocker arms
  • 585 valve springs
  • Flat top cast pistons
  • S&S standard oil pump
  • S&S performance replacement heads
  • 3-1/2″ bore x 4-1/4″ stroke
  • 8.4:1 compression ratio
  • Wrinkle black finish
Engine Type



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