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. Silver finish,.
Fits: 2007-2017 Harley Twin Cam Models (Except 2017 Touring)
- 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
- 96″ and 103″ engines are boosted to 110″
- 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
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