S&S 910-0642 Silver 100 Bolt-In Sidewinder 4 Big Bore Kit for 99-06 Twin Cam

  
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". 96" and 103" engines are boosted 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. Not for use with S&S 79cc heads. Screamin' Eagle Fat Boy FLSTFSE2.

Screamin' Eagle Electra Glide Ultra Classic FLHTCUSE. Softail Night Train EFI FXSTBI.

Super Glide Custom EFI FXDCI. Softail Springer Classic EFI FLSTSCI. 15th Anniversary Fat Boy FLSTF. Screamin' Eagle Fat Boy FLSTFSE. Screamin' Eagle Electra Glide FLHTCSE2.

Road King Custom EFI FLHRS. Road King Classic EFI FLHRC. Electra Glide Ultra Classic FLHTCU.

Electra Glide Classic EFI FLHTCI. Electra Glide Ultra Classic EFI FLHTCUI. Softail Heritage Classic EFI FLSTCI. Softail Fat Boy EFI FLSTFI. Electra Glide Standard EFI FLHTI.

Super Glide Sport EFI FXDXI. Screamin' Eagle Electra Glide FLHTCSE. Screamin' Eagle Road King FLHRSE-I2. Softail Heritage Springer EFI FLSTSI.

Screamin' Eagle Road King FLHRSE-I. Screamin' Eagle Road Glide FLTRSE-I2. Screamin' Eagle Road Glide FLTRSE-I.