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TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.
Maintain the smooth operation and reliability of your Harley-Davidson Big Twin's 5-speed transmission with the Twin Power Mainshaft Bearing. Designed for models from 1984 to 2006 (excluding 6-speed Dyna models), this bearing is a direct replacement for Harley-Davidson part number 8996A, offering exceptional quality and durability.
This Twin Power mainshaft bearing is critical for maintaining the integrity of your transmission. By ensuring proper shaft alignment and reducing rotational resistance, it helps prevent premature wear on other transmission components. Whether you're a seasoned mechanic or a dedicated DIYer, this part offers the quality and reliability you expect for your Harley-Davidson.
Keep your ride running smoothly. Get the Twin Power 5-Speed Big Twin Mainshaft Bearing at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 1997-2006 | Harley-Davidson | FLHR Road King | Base |
| 1998-2006 | Harley-Davidson | FLHRCI Road King Classic | Base |
| 1996-1997 | Harley-Davidson | FLHRI Road King | Base |
| 2000-2006 | Harley-Davidson | FLHRI Road King | Base |
| 2004-2006 | Harley-Davidson | FLHRS Road King Custom | Base |
| 2002 | Harley-Davidson | FLHRSEI Screamin Eagle Road King | Base |
| 2003 | Harley-Davidson | FLHRSEI2 Screamin Eagle Road King 2 | Base |
| 1984 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1987-1993 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1995-2006 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 1984-2005 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 1996-2006 | Harley-Davidson | FLHTCI Electra Glide Classic | Base |
| 1989-1997 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 1995-2006 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic | Base |
| 2003-2006 | Harley-Davidson | FLHTI Electra Glide Standard | Base |
| 2006 | Harley-Davidson | FLHX Street Glide | Base |
| 1986-1990 | Harley-Davidson | FLST Heritage Softail | Base |
| 2006 | Harley-Davidson | FLST Heritage Softail | Base |
| 1988-2006 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2001-2006 | Harley-Davidson | FLSTCI Heritage Softail Classic | Base |
| 1990-2006 | Harley-Davidson | FLSTF Fat Boy | Base |
| 2001-2006 | Harley-Davidson | FLSTFI Fat Boy | Base |
| 1994-1996 | Harley-Davidson | FLSTN Heritage Softail Special | Base |
| 2005-2006 | Harley-Davidson | FLSTN Softail Deluxe | Base |
| 1997-2006 | Harley-Davidson | FLSTS Heritage Springer | Base |
| 2005-2006 | Harley-Davidson | FLSTSC Softail Springer Classic | Base |
| 2001-2003 | Harley-Davidson | FLSTSI Heritage Springer | Base |
| 1996 | Harley-Davidson | FLTCUI Tour Glide Ultra Classic | Base |
| 1998-2006 | Harley-Davidson | FLTR Road Glide | Base |
| 1998-2006 | Harley-Davidson | FLTRI Road Glide | Base |
| 1995-2006 | Harley-Davidson | FXD Dyna Super Glide | Base |
| 2006 | Harley-Davidson | FXDBI Street Bob | Base |
| 1992 | Harley-Davidson | FXDC Super Glide Custom | Base |
| 2005 | Harley-Davidson | FXDC Super Glide Custom | Base |
| 2005-2006 | Harley-Davidson | FXDCI Super Glide Custom | Base |
| 2006 | Harley-Davidson | FXDI Dyna Super Glide | Base |
| 1993-2005 | Harley-Davidson | FXDL Dyna Low Rider | Base |
| 2004-2006 | Harley-Davidson | FXDLI Dyna Low Rider | Base |
| 1994-2000 | Harley-Davidson | FXDS-Conv Dyna Convertible | Base |
| 1993-2006 | Harley-Davidson | FXDWG Dyna Wide Glide | Base |
| 2001 | Harley-Davidson | FXDWG2 | Base |
| 2004-2006 | Harley-Davidson | FXDWGI Dyna Wide Glide | Base |
| 1999-2005 | Harley-Davidson | FXDX Dyna Super Glide Sport | Base |
| 2001-2003 | Harley-Davidson | FXDXT Dyna Super Glide T-Sport | Base |
| 1984 | Harley-Davidson | FXE Super Glide | Base |
| 1984-1985 | Harley-Davidson | FXEF Fat Bob | Base |
| 1987-1994 | Harley-Davidson | FXLR Low Rider Custom | Base |
| 1984-1994 | Harley-Davidson | FXR Super Glide II | Base |
| 1999 | Harley-Davidson | FXR2 | Base |
| 1999 | Harley-Davidson | FXR3 | Base |
| 2000 | Harley-Davidson | FXR4 | Base |
| 1985-1987 | Harley-Davidson | FXRC Low Rider Chrome | Base |
| 1986 | Harley-Davidson | FXRD Sport Glide Grand Touring | Base |
| 1984 | Harley-Davidson | FXRDG Disc Glide | Base |
| 1985-1995 | Harley-Davidson | FXRPF Police | Base |
| 1984-1992 | Harley-Davidson | FXRS Low Glide | Base |
| 1990-1994 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible | Base |
| 1984-1992 | Harley-Davidson | FXRT Sport Glide | Base |
| 1984-1985 | Harley-Davidson | FXSB Low Rider - Belt | Base |
| 1984-2006 | Harley-Davidson | FXST Softail Standard | Base |
…and 24 additional fitments. Contact us to confirm yours.
Other popular TwinPower products customers consider together:
TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.
Maintain the smooth operation and reliability of your Harley-Davidson Big Twin's 5-speed transmission with the Twin Power Mainshaft Bearing. Designed for models from 1984 to 2006 (excluding 6-speed Dyna models), this bearing is a direct replacement for Harley-Davidson part number 8996A, offering exceptional quality and durability.
This Twin Power mainshaft bearing is critical for maintaining the integrity of your transmission. By ensuring proper shaft alignment and reducing rotational resistance, it helps prevent premature wear on other transmission components. Whether you're a seasoned mechanic or a dedicated DIYer, this part offers the quality and reliability you expect for your Harley-Davidson.
Keep your ride running smoothly. Get the Twin Power 5-Speed Big Twin Mainshaft Bearing at GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 1997-2006 | Harley-Davidson | FLHR Road King | Base |
| 1998-2006 | Harley-Davidson | FLHRCI Road King Classic | Base |
| 1996-1997 | Harley-Davidson | FLHRI Road King | Base |
| 2000-2006 | Harley-Davidson | FLHRI Road King | Base |
| 2004-2006 | Harley-Davidson | FLHRS Road King Custom | Base |
| 2002 | Harley-Davidson | FLHRSEI Screamin Eagle Road King | Base |
| 2003 | Harley-Davidson | FLHRSEI2 Screamin Eagle Road King 2 | Base |
| 1984 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1987-1993 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1995-2006 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 1984-2005 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 1996-2006 | Harley-Davidson | FLHTCI Electra Glide Classic | Base |
| 1989-1997 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 1995-2006 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic | Base |
| 2003-2006 | Harley-Davidson | FLHTI Electra Glide Standard | Base |
| 2006 | Harley-Davidson | FLHX Street Glide | Base |
| 1986-1990 | Harley-Davidson | FLST Heritage Softail | Base |
| 2006 | Harley-Davidson | FLST Heritage Softail | Base |
| 1988-2006 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2001-2006 | Harley-Davidson | FLSTCI Heritage Softail Classic | Base |
| 1990-2006 | Harley-Davidson | FLSTF Fat Boy | Base |
| 2001-2006 | Harley-Davidson | FLSTFI Fat Boy | Base |
| 1994-1996 | Harley-Davidson | FLSTN Heritage Softail Special | Base |
| 2005-2006 | Harley-Davidson | FLSTN Softail Deluxe | Base |
| 1997-2006 | Harley-Davidson | FLSTS Heritage Springer | Base |
| 2005-2006 | Harley-Davidson | FLSTSC Softail Springer Classic | Base |
| 2001-2003 | Harley-Davidson | FLSTSI Heritage Springer | Base |
| 1996 | Harley-Davidson | FLTCUI Tour Glide Ultra Classic | Base |
| 1998-2006 | Harley-Davidson | FLTR Road Glide | Base |
| 1998-2006 | Harley-Davidson | FLTRI Road Glide | Base |
| 1995-2006 | Harley-Davidson | FXD Dyna Super Glide | Base |
| 2006 | Harley-Davidson | FXDBI Street Bob | Base |
| 1992 | Harley-Davidson | FXDC Super Glide Custom | Base |
| 2005 | Harley-Davidson | FXDC Super Glide Custom | Base |
| 2005-2006 | Harley-Davidson | FXDCI Super Glide Custom | Base |
| 2006 | Harley-Davidson | FXDI Dyna Super Glide | Base |
| 1993-2005 | Harley-Davidson | FXDL Dyna Low Rider | Base |
| 2004-2006 | Harley-Davidson | FXDLI Dyna Low Rider | Base |
| 1994-2000 | Harley-Davidson | FXDS-Conv Dyna Convertible | Base |
| 1993-2006 | Harley-Davidson | FXDWG Dyna Wide Glide | Base |
| 2001 | Harley-Davidson | FXDWG2 | Base |
| 2004-2006 | Harley-Davidson | FXDWGI Dyna Wide Glide | Base |
| 1999-2005 | Harley-Davidson | FXDX Dyna Super Glide Sport | Base |
| 2001-2003 | Harley-Davidson | FXDXT Dyna Super Glide T-Sport | Base |
| 1984 | Harley-Davidson | FXE Super Glide | Base |
| 1984-1985 | Harley-Davidson | FXEF Fat Bob | Base |
| 1987-1994 | Harley-Davidson | FXLR Low Rider Custom | Base |
| 1984-1994 | Harley-Davidson | FXR Super Glide II | Base |
| 1999 | Harley-Davidson | FXR2 | Base |
| 1999 | Harley-Davidson | FXR3 | Base |
| 2000 | Harley-Davidson | FXR4 | Base |
| 1985-1987 | Harley-Davidson | FXRC Low Rider Chrome | Base |
| 1986 | Harley-Davidson | FXRD Sport Glide Grand Touring | Base |
| 1984 | Harley-Davidson | FXRDG Disc Glide | Base |
| 1985-1995 | Harley-Davidson | FXRPF Police | Base |
| 1984-1992 | Harley-Davidson | FXRS Low Glide | Base |
| 1990-1994 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible | Base |
| 1984-1992 | Harley-Davidson | FXRT Sport Glide | Base |
| 1984-1985 | Harley-Davidson | FXSB Low Rider - Belt | Base |
| 1984-2006 | Harley-Davidson | FXST Softail Standard | Base |
…and 24 additional fitments. Contact us to confirm yours.
Other popular TwinPower products customers consider together: