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S&S 131" Big Bore Stroker Cylinder & Piston Kits For Harley Milwaukee-Eight 2017-2021

$1,169.96
$1,299.95
Save $129.99 10%
Fastlane

Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

S&S 131" Big Bore Stroker Cylinder & Piston Kits For Harley Milwaukee-Eight

S&S has been building big bore kits forever and has it down to an absolute science. The Milwaukee Eight platform has opened up a whole new level of performance. Combining a newly design forged piston with their 4.25” cylinders to net a tire melting 131 cubic inches when paired with their stroker crank. These big bore kits and cranks are built to much tighter tolerarances and with higher quality materials than the factory parts making them a solid platform for massive power.

Features:

  • Huge displacement increase means huge power increase
  • Works with stock crankcases
  • Original engine serial numbers are retained
  • Powder coat finish match factory finish, giving the bike a “sleeper” advantage
  • .045" MLS (multi-layered steel) head gaskets
  • Retains stock engine height
  • Includes 131" Cam Cover Badge

Note: Must be used with S&S stroker flywheels to achieve 131" displacement

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This product is vehicle specific. Click here to select your bike to ensure fitment.

This Product Fits:


Harley Davidson
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Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Black no Highlight Item # 10023682 Store SKU Manufacturer Product # 910-0763 Availability Available: Requires 3-5 business days of lead time prior to shipment
Product Style Black w/ Highlight Item # 10023681 Store SKU Manufacturer Product # 910-0762 Availability Available: Requires 3-5 business days of lead time prior to shipment
Product Style Granite w/ Highlight Item # 10023683 Store SKU Manufacturer Product # 910-0764 Availability Available: Requires 3-5 business days of lead time prior to shipment