Hastings 3.750" Bore Piston Ring Set +.010" (2M4942S010)
Hastings 3.750" Bore Piston Ring Set +.010" (2M4942S010)

Hastings 3.750" Bore Piston Ring Set +.010" (2M4942S010)

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$89.95
$44.18
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Description  
  • Includes top compression rings, second compression rings, and oil control rings.

    • Top Compression Rings are Barrel Face.

  • Helps in the the heat transfer process between the piston and cylinder wall.
  • Controls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft.

    • Second Compression Ring are Napier.

  • Reverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring.
  • Promotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy.

    • Oil Control Rings are Three Piece Flex Vent.

  • Three-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore.
  • Provides uniform pressure through four steel rails and two expanders assuring positive oil control.
  • Made in the USA.
  • Includes enough rings for two pistons (unless noted).
  • Two rings per groove, except for the rails that will be two rail rings per one expander ring.
Compatible Vehicles
Years Make Make Notes
1999-2000 Harley-Davidson Dyna Convertible FXDS-Conv
2004-2006 Harley-Davidson Dyna Low Rider EFI FXDLI
1999-2005 Harley-Davidson Dyna Low Rider FXDL
2006 Harley-Davidson Dyna Street Bob FXDB
2005-2006 Harley-Davidson Dyna Super Glide Custom EFI FXDCI
2005 Harley-Davidson Dyna Super Glide Custom FXDC
2004-2006 Harley-Davidson Dyna Super Glide EFI FXDI
1999-2005 Harley-Davidson Dyna Super Glide FXD
2004-2005 Harley-Davidson Dyna Super Glide Sport EFI FXDXI
1999-2005 Harley-Davidson Dyna Super Glide Sport FXDX
2001-2003 Harley-Davidson Dyna Super Glide T-Sport FXDX-T
2004-2006 Harley-Davidson Dyna Wide Glide EFI FXDWGI
1999-2005 Harley-Davidson Dyna Wide Glide FXDWG
1999-2006 Harley-Davidson Electra Glide Classic EFI FLHTCI
1999-2006 Harley-Davidson Electra Glide Classic FLHTC
2003-2006 Harley-Davidson Electra Glide EFI FLHTI
1999-2006 Harley-Davidson Electra Glide FLHT
1999-2006 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
1999 Harley-Davidson Electra Glide Ultra Classic FLHTCU
2005 Harley-Davidson Fat Boy Anniversary FLSTF
2002-2006 Harley-Davidson Fat Boy EFI FLSTFI
2000-2006 Harley-Davidson Fat Boy FLSTF
2001-2006 Harley-Davidson Heritage Softail Classic EFI FLSTCI
2000-2006 Harley-Davidson Heritage Softail Classic FLSTC
2006 Harley-Davidson Heritage Softail EFI FLSTI
2006 Harley-Davidson Heritage Softail FLST
2001-2003 Harley-Davidson Heritage Springer EFI FLSTSI
2000-2003 Harley-Davidson Heritage Springer FLSTS
2001-2006 Harley-Davidson Night Train EFI FXSTBI
2000-2006 Harley-Davidson Night Train FXSTB
1999-2006 Harley-Davidson Road Glide EFI FLTRI
1999-2002 Harley-Davidson Road Glide FLTR
1999-2006 Harley-Davidson Road King Classic EFI FLHRCI
2004-2006 Harley-Davidson Road King Custom EFI FLHRSI
2004-2006 Harley-Davidson Road King Custom FLHRS
2000-2006 Harley-Davidson Road King EFI FLHRI
1999-2006 Harley-Davidson Road King FLHR
2005-2006 Harley-Davidson Softail Deluxe EFI FLSTNI
2005-2006 Harley-Davidson Softail Deluxe FLSTN
2001-2006 Harley-Davidson Softail Deuce EFI FXSTDI
2000-2006 Harley-Davidson Softail Deuce FXSTD
2005-2006 Harley-Davidson Softail Springer Classic EFI FLSTSCI
2005-2006 Harley-Davidson Softail Springer Classic FLSTSC
2001-2006 Harley-Davidson Softail Springer EFI FXSTSI
2000-2006 Harley-Davidson Softail Springer FXSTS
2001-2006 Harley-Davidson Softail Standard EFI FXSTI
2000-2006 Harley-Davidson Softail Standard FXST
2006 Harley-Davidson Street Glide EFI FLHXI
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