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  • S&S Cycle S&S 4" Bore Bolt-In Sidewinder Big Bore Kit black wrinkle  - 89-6529

S&S 4" Bore Bolt-In Sidewinder Big Bore Kit black wrinkle

Art no.: 89-6529
incl. tax, plus shipping 

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you’ll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!

Features & Benefits

  • Low friction Ductile Cast Iron liner
  • 10.5:1 Compression -Bolts in. No machining, balancing, or splitting the crankcases
  • 96 and 103" engines are boosted to 110"
  • Complete kits include cylinders, pistons, gaskets, and instructions
  • Wrinkle black cylinders – matches stock finish
  • Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates
Note
Big Twin 07-17 (96" & 103")
Payment Methods
  • Sepa
  • Sofort
  • Giropay
  • iDeal