S&S CYCLE Cylinder & Piston Kit – 131″ Stroker – Wrinkle Black w/o Highlighted Fins – M8 ’17-’23

Sale!
2026_06_16_813285

S&S CYCLE Cylinder & Piston Kit – 131″ Stroker – Wrinkle Black w/o Highlighted Fins – M8 ’17-’23

Original price was: $1,509.95.Current price is: $298.98.

SKU: 8199974879422 Category:

Description

Features

  • Huge displacement increase means huge power increase
  • Bolt-on kit works with the stock crankcase
  • Original engine serial numbers are retained
  • Powder coat finish matches factory finish
  • 045″ MLS (multi-layered steel) head gaskets
  • Retains stock engine height
  • Includes 131″ Cam Cover Badge

Notes

  • Must be used with S&S stroker flywheel to achieve 131″ displacement.

CALIFORNIA WARNING: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution controlled motor vehicle.

Specs

Product Name Cylinder and Piston Kit
Type Stroker
Style Big Bore
Color/Finish Non-Highlighted Fins / Powder-Coated / Wrinkle Black
Bore Size 4.250″
Displacement 131″
Stroke Length 4.625″
Compression Ratio 11.0:1
Units Kit
Riding Style Street

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