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TW200 70mm Big Bore Cylinder kit
Our drop-in 70mm cylinder is custom machined and has a reduced sleeve outer diameter so that it fits without requiring case boring. Increases TW200 from 196cc to 215cc. Your choice of standard 9.5:1 compression cast OEM style piston or Wiseco forged 10:1 high compression piston. Requires the use of the 2001 and up camchain tensioner.