Hastings #2M4942 for Factory pistons.
Bore is 95.25mm or 3.750in.

Available in standard and oversize versions. Feature a moly top ring. Reverse torsional taper face second ring and easy spiral on three-piece oil rings. NOTE: Each PART # includes enough rings for two pistons except where noted.

1999-2006 fits H-D FLHR Road King
1999-2006 fits H-D FLHRCI Road King Classic
2000-2006 fits H-D FLHRI Road King
2004-2006 fits H-D FLHRS Road King Custom
2002 fits H-D FLHRSEI Screamin fits Eagle Road King
2003 fits H-D FLHRSEI2 Screamin fits Eagle Road King 2
2004-2006 fits H-D FLHRSI Road King Custom
1999-2006 fits H-D FLHT Electra Glide Standard
1999-2005 fits H-D FLHTC Electra Glide Classic
1999-2006 fits H-D FLHTCI Electra Glide Classic
2004 fits H-D FLHTCSE Screamin fits Eagle Electra Glide
2005 fits H-D FLHTCSE2 Screamin fits Eagle Electra Glide 2
1999-2006 fits H-D FLHTCUI Electra Glide Ultra Classic
2006 fits H-D FLHTCUSE Screamin fits Eagle Ultra Classic Electra Gli
2003-2006 fits H-D FLHTI Electra Glide Standard
2006 fits H-D FLHX Street Glide
2006 fits H-D FLHXI Street Glide
2006 fits H-D FLST Heritage Softail
2000-2006 fits H-D FLSTC Heritage Softail Classic
2001-2006 fits H-D FLSTCI Heritage Softail Classic
2000-2006 fits H-D FLSTF Fat Boy
2001-2006 fits H-D FLSTFI Fat Boy
2005 fits H-D FLSTFSE Screamin fits Eagle Fat Boy
2006 fits H-D FLSTFSE2 Screamin fits Eagle Fat Boy
2006 fits H-D FLSTI Heritage Softail
2005-2006 fits H-D FLSTN Softail Deluxe
2005-2006 fits H-D FLSTNI Softail Deluxe
2000-2003 fits H-D FLSTS Heritage Springer
2005-2006 fits H-D FLSTSC Softail Springer Classic
2005-2006 fits H-D FLSTSCI Softail Springer Classic
2001-2003 fits H-D FLSTSI Heritage Springer
1999-2002 fits H-D FLTR Road Glide
1999-2006 fits H-D FLTRI Road Glide
2000 fits H-D FLTRSEI Screamin fits Eagle Road Glide
200