Description

789956338

• Product

• • For ’84-’99 Evolution Big Twin or ’70-’99 custom chasis with alternator-style primary
  • Specially machined cylinder heads allow use of stock length manifold, use your existing carb (re-jetting is required)
  • Designed to bolt into stock or aftermarket EFI, carburetor or air cleaner
  • Crank and case machined for crank position sensor
  • Includes S&S cylinder heads, S&S valve springs, forged rocker arms, 640 cam, three piece flywheel assembly, 1.671″ diameter crankpin, 0.927″ wristpins, high-volume high pressure oil pump, electric compression releases and forged pistons
  • Made in the USA

  Notes

  • Will require a performance ignition and performance carburetor.