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S&S Cycle - 4" Sidewinder Big Bore Kit for 1999-2006 HD Big Twin Models - Wrinkle Black

by S&S
SKU 97378
Original price $0
Original price $1,550.95 - Original price $1,550.95
Original price
Current price $1,550.95
7754 ENTRIES 🎟️
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$1,550.95 - $1,550.95
Current price $1,550.95
7754 ENTRIES 🎟️
5X
 
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Inspired by S&S Cycle 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

  • Low friction ductile cast iron liner
  • 10.5:1 compression
  • Bolts in. No machining, balancing, or splitting the crankcases
  • 88" engines are boosted to 100"
  • Complete kits include cylinders, pistons, gaskets, and instructions
  • Wrinkle black cylinders matches stock finish
YEAR MAKE MODEL
2005 Harley-Davidson 15th Anniversary Fat Boy-Injected - FLSTF-I
2005 -...

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