Features

  • Fits 99-06 Twin Cam (3.927" Bore, 4" Stroke, 9.7:1 Comp. w/ stock heads)
  • The Big Bore kit yields excellent results with stock cylinder heads
  • Easy installation: no need to bore or split existing cases, just swap the cylinders
  • Cylinders are constructed from premium aluminum castings with cast-in iron liners
  • Kits include cylinders, pistons, rings and gaskets (head, base and exhaust)
  • Black or silver powder-coat finish
  • Made in the U.S.A.
  • This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Specs

PRODUCT NAME CYLINDER KIT
STYLE BIG BORE
BASE COLOR BLACK
COLOR/FINISH BLACK
MATERIAL ALUMINUM
BORE SIZE 3.927" / 3,927"
DISPLACEMENT 97"
STROKE LENGTH 4" / 4"
COMPRESSION RATIO 9.7:1 / 9,7:1
UNITS KIT
RIDING STYLE STREET


Fitments
POSITION NOTES
2006 Harley-Davidson Super Glide FXD35 - -
2006 Harley-Davidson Street Bob FXDB - -
2006 Harley-Davidson Street Glide FLHX - -
2006 Harley-Davidson Street Glide EFI FLHX - -
2006 Harley-Davidson Softail Heritage EFI FLSTI - -
2006 Harley-Davidson Softail Springer FXSTS - -
2006 Harley-Davidson Softail Night Train FXSTB - -
2006 Harley-Davidson Softail Night Train EFI FXSTBI - -
2006 Harley-Davidson Softail Standard FXST - -
2006 Harley-Davidson Softail Springer EFI FXSTSI - -
2006 Harley-Davidson Softail Standard EFI FXSTI - -
2006 Harley-Davidson Super Glide EFI FXDI - -
2006 Harley-Davidson Softail Heritage FLST - -
2006 Harley-Davidson Wide Glide EFI FXDWGI - -
2006 Harley-Davidson Low Rider EFI FXDL - -
2006 Harley-Davidson Super Glide Custom EFI FXDCI - -
2005-2006 Harley-Davidson Softail Deluxe FLSTN - -
2005-2006 Harley-Davidson Softail Springer Classic FLSTSC - -
2005-2006 Harley-Davidson Softail Deluxe EFI FLSTNI - -
2005-2006 Harley-Davidson Softail Springer Classic EFI FLSTSCI - -
2005 Harley-Davidson Super Glide Custom FXDC - -
2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF - -
2005 Harley-Davidson Super Glide Custom EFI FXDCI - -
2004-2006 Harley-Davidson Road King Custom FLHRS - -
2004-2006 Harley-Davidson Road King Custom EFI FLHRS - -
2004-2006 Harley-Davidson Electra Glide Standard FLHT - -
2004-2006 Harley-Davidson Road King FLHR - -
2004-2006 Harley-Davidson Electra Glide Classic EFI FLHTCI - -
2004-2006 Harley-Davidson Road King Classic EFI FLHRC - -
2004-2006 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI - -
2004-2006 Harley-Davidson Softail Heritage Classic FLSTC - -
2004-2006 Harley-Davidson Softail Fat Boy FLSTF - -
2004-2006 Harley-Davidson Softail Heritage Classic EFI FLSTCI - -
2004-2006 Harley-Davidson Road King EFI FLHR - -
2004-2006 Harley-Davidson Softail Fat Boy EFI FLSTFI - -
2004-2006 Harley-Davidson Electra Glide Standard EFI FLHTI - -
2004-2006 Harley-Davidson Road Glide EFI FLTR - -
2004-2005 Harley-Davidson Low Rider EFI FXDL - -
2004-2005 Harley-Davidson Super Glide Sport EFI FXDXI - -
2004-2005 Harley-Davidson Super Glide EFI FXDI - -
2004-2005 Harley-Davidson Electra Glide Classic FLHTC - -
2004-2005 Harley-Davidson Wide Glide EFI FXDWGI - -
2003-2005 Harley-Davidson Softail Springer EFI FXSTSI - -
2003-2005 Harley-Davidson Softail Standard FXST - -
2003-2005 Harley-Davidson Softail Standard EFI FXSTI - -
2003-2005 Harley-Davidson Softail Night Train EFI FXSTBI - -
2003-2005 Harley-Davidson Softail Springer FXSTS - -
2003-2005 Harley-Davidson Softail Night Train FXSTB - -
2003 Harley-Davidson Electra Glide Standard EFI FLHTI - -
2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI - -
2003 Harley-Davidson Softail Heritage Springer FLSTS - -
2002-2005 Harley-Davidson Wide Glide FXDWG - -
2002-2005 Harley-Davidson Low Rider FXDL - -
2002-2005 Harley-Davidson Super Glide FXD - -
2002-2003 Harley-Davidson Softail Fat Boy EFI FLSTFI - -
2001-2006 Harley-Davidson Softail Deuce EFI FXSTDI - -
2001-2003 Harley-Davidson Softail Heritage Classic EFI FLSTCI - -
2001-2003 Harley-Davidson Super Glide T-Sport FXDXT - -
2001-2002 Harley-Davidson Softail Standard EFI FXSTI - -
2001-2002 Harley-Davidson Softail Night Train EFI FXSTBI - -
2001-2002 Harley-Davidson Softail Springer EFI FXSTSI - -
2001-2002 Harley-Davidson Softail Heritage Springer EFI FLSTSI - -
2000-2006 Harley-Davidson Softail Deuce FXSTD - -
2000-2003 Harley-Davidson Softail Heritage Classic FLSTC - -
2000-2003 Harley-Davidson Softail Fat Boy FLSTF - -
2000-2002 Harley-Davidson Softail Standard FXST - -
2000-2002 Harley-Davidson Softail Night Train FXSTB - -
2000-2002 Harley-Davidson Softail Springer FXSTS - -
2000-2002 Harley-Davidson Softail Heritage Springer FLSTS - -
1999-2005 Harley-Davidson Super Glide Sport FXDX - -
1999-2003 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI - -
1999-2003 Harley-Davidson Road Glide EFI FLTR - -
1999-2003 Harley-Davidson Electra Glide Standard FLHT - -
1999-2003 Harley-Davidson Road King FLHR - -
1999-2003 Harley-Davidson Road King Classic EFI FLHRC - -
1999-2003 Harley-Davidson Electra Glide Classic EFI FLHTCI - -
1999-2003 Harley-Davidson Electra Glide Classic FLHTC - -
1999-2003 Harley-Davidson Road King EFI FLHR - -
1999-2002 Harley-Davidson Road Glide FLTR - -
1999-2001 Harley-Davidson Low Rider FXDL - -
1999-2001 Harley-Davidson Super Glide FXD - -
1999-2001 Harley-Davidson Wide Glide FXDWG - -
1999-2000 Harley-Davidson Dyna Convertible FXDS-CONV - -
1999 Harley-Davidson Electra Glide Ultra Classic FLHTCU - -