S&S CYCLE 31-0181A Engine Case - 4.125" Bore w/Stock Stud Pattern 88A Engine Type Wrinkle Black Twin Cam
Manufacturer Part Number: 31-0181A
Drag Part Number: 0920-0188
Engine Case - 4.125" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black - Twin Cam
- Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)
- Features greater overall strength than stock crankcases
- Strong, dependable TimkenĀ®-style sprocket shaft bearings
- All passages between the crankcase cam support plate are O-ring sealed
- Compatible with most stock components
- Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components
- Made in the USA
- This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.
Note: BORE SIZE S/B 4 1/8" 25PJL
Fitment
- 1999 Harley-Davidson Electra Glide Police FLHTP
- 1999 Harley-Davidson Electra Glide Police FLHTPI
- 1999 Harley-Davidson Electra Glide Ultra Classic FLHTCU
- 1999 Harley-Davidson FLHR Road King
- 1999 Harley-Davidson FLHRCI Road King Classic
- 1999 Harley-Davidson FLHT Electra Glide Standard
- 1999 Harley-Davidson FLHTC Electra Glide Classic
- 1999 Harley-Davidson FLHTCI Electra Glide Classic
- 1999 Harley-Davidson FLHTCUI Electra Glide Ultra Classic
- 1999 Harley-Davidson FLTR Road Glide
- 1999 Harley-Davidson FLTRI Road Glide
- 1999 Harley-Davidson FXD Dyna Super Glide
- 1999 Harley-Davidson FXDL Dyna Low Rider
- 1999 Harley-Davidson FXDS-Conv Dyna Convertible
- 1999 Harley-Davidson FXDWG Dyna Wide Glide
- 1999 Harley-Davidson FXDX Dyna Super Glide Sport
- 1999 Harley-Davidson Road King EFI FLHR
- 2000 Harley-Davidson Electra Glide Police FLHTP
- 2000 Harley-Davidson Electra Glide Police FLHTPI
- 2000 Harley-Davidson Electra Glide Standard EFI FLHTI
- 2000 Harley-Davidson Electra Glide Ultra Classic FLHTCU
- 2000 Harley-Davidson FLHR Road King
- 2000 Harley-Davidson FLHRCI Road King Classic
- 2000 Harley-Davidson FLHRI Road King
- 2000 Harley-Davidson FLHT Electra Glide Standard
- 2000 Harley-Davidson FLHTC Electra Glide Classic
- 2000 Harley-Davidson FLHTCI Electra Glide Classic
- 2000 Harley-Davidson FLHTCUI Electra Glide Ultra Classic
- 2000 Harley-Davidson FLSTC Heritage Softail Classic
- 2000 Harley-Davidson FLSTF Fat Boy
- 2000 Harley-Davidson FLSTS Heritage Springer
- 2000 Harley-Davidson FLTR Road Glide
- 2000 Harley-Davidson FLTRI Road Glide
- 2000 Harley-Davidson FLTRSEI Screamin Eagle Road Glide
- 2000 Harley-Davidson FXD Dyna Super Glide
- 2000 Harley-Davidson FXDL Dyna Low Rider
- 2000 Harley-Davidson FXDS-Conv Dyna Convertible
- 2000 Harley-Davidson FXDWG Dyna Wide Glide
- 2000 Harley-Davidson FXDX Dyna Super Glide Sport
- 2000 Harley-Davidson FXST Softail Standard
- 2000 Harley-Davidson FXSTB Night Train
- 2000 Harley-Davidson FXSTS Springer Softail
- 2000 Harley-Davidson Wide Glide EFI FXDWGI
- 2001 Harley-Davidson Electra Glide Police FLHTP
- 2001 Harley-Davidson Electra Glide Police FLHTPI
- 2001 Harley-Davidson Electra Glide Standard EFI FLHTI
- 2001 Harley-Davidson Electra Glide Ultra Classic FLHTCU
- 2001 Harley-Davidson FLHR Road King
- 2001 Harley-Davidson FLHRCI Road King Classic
- 2001 Harley-Davidson FLHRI Road King
- 2001 Harley-Davidson FLHT Electra Glide Standard
- 2001 Harley-Davidson FLHTC Electra Glide Classic
- 2001 Harley-Davidson FLHTCI Electra Glide Classic
- 2001 Harley-Davidson FLHTCUI Electra Glide Ultra Classic
- 2001 Harley-Davidson FLSTC Heritage Softail Classic
- 2001 Harley-Davidson FLSTCI Heritage Softail Classic
- 2001 Harley-Davidson FLSTF Fat Boy
- 2001 Harley-Davidson FLSTFI Fat Boy
- 2001 Harley-Davidson FLSTS Heritage Springer
- 2001 Harley-Davidson FLSTSI Heritage Springer
- 2001 Harley-Davidson FLTR Road Glide
- 2001 Harley-Davidson FLTRI Road Glide
- 2001 Harley-Davidson FLTRSEI2 Screamin Eagle Road Glide 2
- 2001 Harley-Davidson FXD Dyna Super Glide
- 2001 Harley-Davidson FXDL Dyna Low Rider
- 2001 Harley-Davidson FXDWG Dyna Wide Glide
- 2001 Harley-Davidson FXDWG2 CVO Dyna Wide Glide
- 2001 Harley-Davidson FXDX Dyna Super Glide Sport
- 2001 Harley-Davidson FXDXT Dyna Super Glide T-Sport
- 2001 Harley-Davidson FXST Softail Standard
- 2001 Harley-Davidson FXSTB Night Train
- 2001 Harley-Davidson FXSTBI Night Train
- 2001 Harley-Davidson FXSTI Softail Standard
- 2001 Harley-Davidson FXSTS Springer Softail
- 2001 Harley-Davidson FXSTSI Springer Softail
- 2001 Harley-Davidson Wide Glide EFI FXDWGI
- 2002 Harley-Davidson Electra Glide Police FLHTP
- 2002 Harley-Davidson Electra Glide Police FLHTPI
- 2002 Harley-Davidson Electra Glide Standard EFI FLHTI
- 2002 Harley-Davidson Electra Glide Ultra Classic FLHTCU
- 2002 Harley-Davidson FLHR Road King
- 2002 Harley-Davidson FLHRCI Road King Classic
- 2002 Harley-Davidson FLHRI Road King
- 2002 Harley-Davidson FLHRSEI Screamin Eagle Road King
- 2002 Harley-Davidson FLHT Electra Glide Standard
- 2002 Harley-Davidson FLHTC Electra Glide Classic
- 2002 Harley-Davidson FLHTCI Electra Glide Classic
- 2002 Harley-Davidson FLHTCUI Electra Glide Ultra Classic
- 2002 Harley-Davidson FLSTC Heritage Softail Classic
- 2002 Harley-Davidson FLSTCI Heritage Softail Classic
- 2002 Harley-Davidson FLSTF Fat Boy
- 2002 Harley-Davidson FLSTFI Fat Boy
- 2002 Harley-Davidson FLSTS Heritage Springer
- 2002 Harley-Davidson FLSTSI Heritage Springer
- 2002 Harley-Davidson FLTR Road Glide
- 2002 Harley-Davidson FLTRI Road Glide
- 2002 Harley-Davidson FXD Dyna Super Glide
- 2002 Harley-Davidson FXDL Dyna Low Rider
- 2002 Harley-Davidson FXDWG Dyna Wide Glide
- 2002 Harley-Davidson FXDWG3 CVO Dyna Wide Glide
- 2002 Harley-Davidson FXDX Dyna Super Glide Sport
- 2002 Harley-Davidson FXDXT Dyna Super Glide T-Sport
- 2002 Harley-Davidson FXST Softail Standard
- 2002 Harley-Davidson FXSTB Night Train
- 2002 Harley-Davidson FXSTBI Night Train
- 2002 Harley-Davidson FXSTI Softail Standard
- 2002 Harley-Davidson FXSTS Springer Softail
- 2002 Harley-Davidson FXSTSI Springer Softail
- 2002 Harley-Davidson Wide Glide EFI FXDWGI
- 2003 Harley-Davidson Electra Glide Police FLHTP
- 2003 Harley-Davidson Electra Glide Police FLHTPI
- 2003 Harley-Davidson Electra Glide Ultra Classic FLHTCU
- 2003 Harley-Davidson FLHR Road King
- 2003 Harley-Davidson FLHRCI Road King Classic
- 2003 Harley-Davidson FLHRI Road King
- 2003 Harley-Davidson FLHRSEI2 Screamin Eagle Road King 2
- 2003 Harley-Davidson FLHT Electra Glide Standard
- 2003 Harley-Davidson FLHTC Electra Glide Classic
- 2003 Harley-Davidson FLHTCI Electra Glide Classic
- 2003 Harley-Davidson FLHTCUI Electra Glide Ultra Classic
- 2003 Harley-Davidson FLHTI Electra Glide Standard
- 2003 Harley-Davidson FLSTC Heritage Softail Classic
- 2003 Harley-Davidson FLSTCI Heritage Softail Classic
- 2003 Harley-Davidson FLSTF Fat Boy
- 2003 Harley-Davidson FLSTFI Fat Boy
- 2003 Harley-Davidson FLSTS Heritage Springer
- 2003 Harley-Davidson FLSTSI Heritage Springer
- 2003 Harley-Davidson FLTR Road Glide
- 2003 Harley-Davidson FLTRI Road Glide
- 2003 Harley-Davidson FXD Dyna Super Glide
- 2003 Harley-Davidson FXDL Dyna Low Rider
- 2003 Harley-Davidson FXDWG Dyna Wide Glide
- 2003 Harley-Davidson FXDX Dyna Super Glide Sport
- 2003 Harley-Davidson FXDXT Dyna Super Glide T-Sport
- 2003 Harley-Davidson FXST Softail Standard
- 2003 Harley-Davidson FXSTB Night Train
- 2003 Harley-Davidson FXSTBI Night Train
- 2003 Harley-Davidson FXSTI Softail Standard
- 2003 Harley-Davidson FXSTS Springer Softail
- 2003 Harley-Davidson FXSTSI Springer Softail
- 2003 Harley-Davidson Wide Glide EFI FXDWGI
- 2004 Harley-Davidson Electra Glide Police FLHTP
- 2004 Harley-Davidson Electra Glide Police FLHTPI
- 2004 Harley-Davidson Electra Glide Ultra Classic FLHTCU
- 2004 Harley-Davidson FLHR Road King
- 2004 Harley-Davidson FLHRCI Road King Classic
- 2004 Harley-Davidson FLHRI Road King
- 2004 Harley-Davidson FLHRS Road King Custom
- 2004 Harley-Davidson FLHRSI Road King Custom
- 2004 Harley-Davidson FLHT Electra Glide Standard
Fitment confidence: DIRECT_HTTP_EXACT_AND_PRODUCT_HIERARCHY_MATCH
Engine Case - 4.125" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black - Twin Cam
- Replacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)
Note: BORE SIZE S/B 4 1/8" 25PJL
