S&S 4″ Sidewinder 100″ and 110″ Big Bore Kits

Largest bore (4″) that can be fit in a stock engine case cylinder and piston kits make going to the maximum bore size easy – no machining required.

Cost $1,049.00

Description

 

  • 4″ Bore bolt on cylinder and piston kit
  • 10.5:1 Compression
  • Silver and Black available
  • Largest bore bolt-on big bore kit available without doing crankcase modifications
  • Upgrade TC88 to 100 cu inches
  • Upgrade TC96 and TC103 to 110 cubic inches
  • Cast Ductile Liner increases thermal conductivity and improves ring seal
  • Cylinders fit to pistons- No machining required

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