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Est. 1957
S&S Cycle

S&S Cycle 2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

$1661.25

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S&S Cycle 2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

Key Features

  • Must be used with our stroker flywheels to achieve 131 in. displacement (part #s ssc320-0605, ssc320-0620)
  • Powder coat finish match factory finish, giving the bike a "sleeper" advantage
  • Huge displacement increase means huge power increase
  • .030 in. MLS (multi-layered steel) head gaskets
  • Original engine serial numbers are retained
  • Includes 131 in. Cam Cover Badge
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About this part

Product Details

S&S has been building big bore kits since the 60s and has it down to an absolute science. Their latest efforts are aimed at the Milwaukee Eight® platform (2017 and newer big twins) and open up a whole new level of performance for these engines. Combining a new design forged piston with their 4.25 in. cylinders to net a tire melting 131 cubic inches when paired with their 4.625 in. stroker crank. We build our big bore kits and cranks to much tighter tolerarances and with higher quality materials than the factory parts. This new piston/cylinder kit will be a solid platform for massive power.

Specifications

Brand
S&S Cycle
Manufacturer Part #
910-0762A
UPC
910-0762A

S&S Cycle 2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

$1661.25