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S&S CYCLE M8 128" Big Bore Cylinder Kit - Notorious Concepts
S&S CYCLE M8 128" Big Bore Cylinder Kit - Notorious Concepts
S&S CYCLE M8 128" Big Bore Cylinder Kit - Notorious Concepts
  • Load image into Gallery viewer, S&S CYCLE M8 128" Big Bore Cylinder Kit - Notorious Concepts
  • Load image into Gallery viewer, S&S CYCLE M8 128" Big Bore Cylinder Kit - Notorious Concepts
  • Load image into Gallery viewer, S&S CYCLE M8 128" Big Bore Cylinder Kit - Notorious Concepts

S&S CYCLE M8 128" Big Bore Cylinder Kit

Regular price
$1,169.95
Sale price
$1,169.95
Regular price
$1,299.95
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Features
  • Convert your 114/117ci M8 to a 128ci monster
  • The Big Bore kit yields excellent results with stock cylinder heads (not for Twin Cooled motors) unless noted
  • Easy installation: no need to bore or split existing cases, just swap the cylinders (unless noted)
  • Cylinders are constructed from premium aluminum castings with cast-in iron liners
  • Kits include cylinders, pistons, rings and gaskets (head, base and exhaust)
  • Black or silver powder-coat finish
  • Made in the U.S.A.
  • This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
Specs
  • Product Name: Cylinder Kit
  • Style: Big Bore
  • Base Color: Black
  • Material: Iron
  • Bore Size: 4.250"
  • Displacement: 128"
  • Stroke Length: 4-1/2"
  • Compression Ratio: 11:1 / 11.0:1
  • Units: Kit
  • Riding Style: Street