S&S Sidewinder 4″ Big Bore Kit 100″ for 1999-2006 Harley Twin Cam – Black

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S&S Sidewinder 4" Big Bore Kit 100" for 1999-2006 Harley Twin Cam - Black

S&S Sidewinder 4″ Big Bore Kit 100″ for 1999-2006 Harley Twin Cam – Black

Original price was: $832.11.Current price is: $470.66.

93 in stock

SKU: 0931-0740 Category:

Description

Product Description

Inspired by Pro Stock Drag Race engines, these 4″ Big Bore kits from S&S Cycle delivery a serious punch of power in a bolt-on application. Black finish.

Fits: 1999-2006 Harley Twin Cam Models (Except ’99 Softail Models)

  • Bolt in – no machining, balancing, or splitting the crankcases; install can be performed with engine still in frame
  • Cast Ductile Iron Sleeve in cast aluminum for superior heat transfer
  • 88″ engines are boosted to 100″
  • 10.5:1 compression (w/ stock 85cc heads) makes for a very streetable and dependable engine that also responds well to performance cams
  • Complete kits include cylinders, forged pistons, rings, piston pins, clips and gaskets

DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.

*Not compatible with S&S 79cc Super Stock® heads

Stroke Bore Cylinder Length Piston Type Dome Volume 83cc CNC Heads 85cc Stock Heads 89cc S&S Heads
4    4.00″ 4.937″ Forged 8.75 pop up 10.8:1 10.5:1 10.1:1

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