Fits 1984-2000 Evolution Big Twin Motorcycles with 4 5/8″ crankshaft.
– Aerospace-grade all-aluminum cylinder with Nickel-Silicon-Carbide (NSC) electroplated bore.
– No sleeving allows for larger bore sizes.
– NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan.
– Monster big bore kits will require case boring. Additional upgraded services recommended.
– Includes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for SNC cylinders and a head/base gasket set.
– Replacement gasket sets available separately.
– Upgraded cylinder studs and head bolts recommended.
– Made in the U.S.A.
Color/Finish: Black with Highlighted Fins
Bore Size: 3 7/8″
Displacement: 109″
Stroke Length: 4 5/8″
Compression Ratio: 10.5:1 with stock heads (86 cc)
Piston: -2.15 cc Flat-Top
Fitment: YEAR MAKE MODEL 1999 Harley-Davidson Softail Night Train FXSTB 1998 Harley-Davidson Road Glide FLTR 1998 Harley-Davidson Road Glide EFI FLTR 1997-1999 Harley-Davidson Softail Heritage Springer FLSTS 1996 Harley-Davidson Tour Glide Ultra Classic EFI FLTCU 1995-1998 Harley-Davidson Electra Glide Classic EFI FLHTCI 1995-1998 Harley-Davidson Road King Classic EFI FLHRC 1995-1998 Harley-Davidson Dyna Convertible FXDS-CONV 1995-1998 Harley-Davidson Super Glide FXD 1995-1998 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI 1995-1998 Harley-Davidson Road King EFI FLHR 1995-1998 Harley-Davidson Electra Glide Police FLHTPI 1995-1997 Harley-Davidson Softail Bad Boy FXSTSB 1994-1998 Harley-Davidson Road King FLHR 1994-1996 Harley-Davidson Softail Heritage Special FLSTN 1993-1998 Harley-Davidson Low Rider FXDL 1993-1998 Harley-Davidson Wide Glide FXDWG 1993 Harley-Davidson Softail Nostalgia FLSTN 1992 Harley-Davidson Dyna Daytona FXDB 1992 Harley-Davidson Dyna Glide Custom FXDC 1991 Harley-Davidson Dyna Sturgis FXDB 1990-1999 Harley-Davidson Softail Fat Boy FLSTF 1990-1991 Harley-Davidson Low Rider Convertible FXRS-CONV 1989-1998 Harley-Davidson Electra Glide Ultra Classic FLHTCU 1989-1996 Harley-Davidson Tour Glide Ultra Classic FLTCU 1988-1999 Harley-Davidson Softail Springer FXSTS 1987-1993 Harley-Davidson Electra Glide Sport FLHS 1987-1991 Harley-Davidson Low Rider Custom FXLR 1987 Harley-Davidson Low Rider Chrome FXRC 1986-1999 Harley-Davidson Softail Custom FXSTC 1986-1999 Harley-Davidson Softail Heritage Classic FLSTC 1986-1991 Harley-Davidson Low Rider Sport FXRS-SP 1986-1991 Harley-Davidson Super Glide FXR 1986-1991 Harley-Davidson Low Rider FXRS 1986-1990 Harley-Davidson Softail Heritage FLST 1986 Harley-Davidson Sport Glide Grand Touring FXRD 1985 Harley-Davidson Low Glide Custom FXRC 1984-1999 Harley-Davidson Softail Standard FXST 1984-1998 Harley-Davidson Electra Glide Classic FLHTC 1984-1998 Harley-Davidson Electra Glide Police FLHTP 1984-1994 Harley-Davidson Tour Glide Classic FLTC 1984-1991 Harley-Davidson Sport Glide FXRT 1984-1991 Harley-Davidson FXRP 1984-1987, 1995-1998 Harley-Davidson Electra Glide Standard FLHT 1984-1986 Harley-Davidson Tour Glide FLT 1984-1985 Harley-Davidson Low Glide FXRS 1984-1985 Harley-Davidson Electra Glide Special FLHX 1984-1985 Harley-Davidson Electra Glide FLH 1984 Harley-Davidson Disc Glide FXRDG
