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S&S Cycle 865 Big Bore Kit 650 RE 920-0145
865 BIG BORE KIT 650 RE. Complete kits include cylinder sleeves, pistons and head gasket. 750cc kit increase bore and stroke to 83.5mm x 67.8mm (stock is 78 mm x 67.8 mm). 865cc Increases bore and stroke to 90 mm x 67.8 mm (stock is 78 mm x 67.8 mm). Both kits increase compression ration to 11.0:1 (stock is 9.5:1).
FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.
Fits Royal Enfield® 650 Twins. For MORE GREAT DEALS on powersports parts and accessories!
Your friends at MOTOMENTUM appreciate your Business! This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways.
Installation of this part on a vehicle driven on public roads and highways is likely to violate U. And Canadian laws and regulations relating to motor vehicle emissions.