S&S CYCLE Big Bore Kit - 83.50 mm - 750 cc - Royal Enfield® 650 Twin 920-0144

Big Bore Kit - 83.50 mm - 750 cc - Royal Enfield® 650 Twin
Increases bore from stock, Increase compression ratio from 9.5:1 to 11.0:1, Kit includes cylinder sleeves, pistons and head gasket, Made in the USA