S&S CYCLE 0904-0054 920-0145 Big Bore Kit Koso North America to ensure a consistent finish

to ensure a consistent finish and minimize body work

Will not interfere with stock mirrors

If your seat is a reduced-reach

1990-1993 Harley-Davidson Low Rider Sport FXRS-SP 1986-1987 Harley-Davidson Sportster 1100 XLH 1986-1994 Harley-Davidson Sportster 883 Deluxe XLH 1986-1994 Harley-Davidson Sportster 883 XLH 1987-1994 Harley-Davidson Sportster 883 Hugger XLH 1988-1994 Harley-Davidson Sportster 1200 XLH 1990-1993 Harley-Davidson Low Rider Convertible FXRS-CONV 1990-1994 Harley-Davidson Low Rider Custom FXLR 1990-1993 Harley-Davidson Sport Glide FXRT 1990-1994 Harley-Davidson Super Glide II FXR 1996-1998 Harley-Davidson Electra Glide Classic FLHTC 1996-1998 Harley-Davidson Electra Glide Classic FLHTCI 1996-1998 Harley-Davidson Electra Glide Standard FLHT 1996-1998 Harley-Davidson Electra Glide Ultra Classic FLHTCU 1996-1998 Harley-Davidson Electra Glide Ultra Classic FLHTCUI 1998-1999 Harley-Davidson Road Glide FLTR 1998-1999 Harley-Davidson Road Glide FLTRI

S&S CYCLE 0904-0054 920-0145 Big Bore Kit Koso North America to ensure a consistent finishFeatures 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) Made in the U. S. A. FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY