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Discontinued Product!
The S&S Cycle 136" Big Bore Cylinder Kit For Harley Air Cooled Milwaukee-Eight 2017-2026 has been discontinued and will not be returning.
Replacement Suggestion
Big Bore Kits

Product Details

S&S Cycle 136" Big Bore Cylinder Kit For Harley

The S&S Bolt-On Kit represents a significant leap in engine enhancement, boasting the largest bolt-on kit they've ever released compatible with stock crankcases without altering the original engine's height or serial numbers. Created with finishes that seamlessly match the factory look, this kit discreetly upgrades your bike's performance while preserving its classic aesthetic.

Features:

  • Huge displacement increase (4.320" Bore) means a huge power increase
  • Powder coat finish
  • 136 cubic inches of bolt-on power

Note: Requires 4 5/8" Stroker Crank (S&S part # 320-0605)

Made in the USA
Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style Black / Non Highlighted Fins J&P Cycles Item #10395471 Catalog Number10395471 Store Sku MFR. Product #910-0849 AvailabilityCloseout: This product is no longer available
Product Style Black Granite/ Highlighted Fins J&P Cycles Item #10395472 Catalog Number10395472 Store Sku MFR. Product #910-0850 AvailabilityCloseout: This product is no longer available
Product Style Black/Highlighted Fins J&P Cycles Item #10395473 Catalog Number10395473 Store Sku MFR. Product #910-0848 AvailabilityCloseout: This product is no longer available
Please review this product's fitment notes & exceptions prior to purchase: Add to Cart
Fitment Notes & Exceptions
  • Requires 4 5/8" Stroker Crank (S&S part # 320-0605)
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