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S&S Cycle 128 inch Big Bore Kits for '17-Up Harley Davidson Milwaukee Eight 114 inch Engine (Choose Finish)

SKU: SS128KIT
$1,121.95

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S&S Cycle 128 inch Big Bore Kits for '17-Up Harley Davidson Milwaukee Eight 114 inch Engine (Choose Finish)

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Go BIG or go home! Convert your 114 inch to 128 inches! Check out this bolt on 128 inch Big Bore kit from S&S! This kit is available for 114 M8 models in finishes in both highlighted and non highlighted versions.

The 128 inch Big Bore kit for Harley-Davidson Milwaukee Eight engines are a bolt on kit and require no machining.

The kits include all gaskets and hardware required for installation.

  • 4.250 inch bore
  • 4.5 inch stroke
  • Forged Pistons
  • 11:1 compression ratio
  • Made in USA
910-0684 Highlighted Fins
910-0685 All Black - No Highlighting