640 Cam | Twisted Choppers

640 Cam

$299.95

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Usually Ships Within 1 - 3 Business Days
SKU: 33-5108 Brand: S&S Cycle

640 Cam

  • S&S Cams are tested on the dyno, street and track before being offered to the public
  • With hundreds of hours of testing on each cam, you know you are getting the best cam S&S can produce
  • For large displacement engines (110″+) with 10.5 to 11.5:1 compression and smaller engines (96-107″) with 11 to 12:1 compression
  • Requires high-lift springs
  • Less overlap and fast ramps build higher cylinder pressure
  • Lower TDC lift makes installation easier
  • Designed for use with hydraulic tappets
  • Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance.
  • Made in the U.S.A.
    • 640 Cam - Evolution
    Weight 1.95 lbs
    Dimensions 12 × 12 × 12 in

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