Hastings 3.875" Bore Piston Ring Set +.005" (2M4985005)

(No reviews) Write a Review
$93.23
$78.70
(You save $14.53 )
UPC: 075538246312
Adding to cart… The item has been added
  • 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 Reverse Torsional Taper Face

  • Promotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy
  • Reverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring
  • 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
  • Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.
  • 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 EFI FXDBI
2006 Harley-Davidson Dyna Super Glide 35th Anniversary FXD
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
2001 Harley-Davidson Dyna Wide Glide Screamin Eagle FXDWG2
2002 Harley-Davidson Dyna Wide Glide Screamin Eagle FXDWG3
1999-2006 Harley-Davidson Electra Glide Classic EFI FLHTCI
1999-2005 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
2006 Harley-Davidson Electra Glide Ultra Classic Screamin Eagle FLHTCUS
2001-2006 Harley-Davidson Fat Boy EFI FLSTFI
1999-2006 Harley-Davidson Fat Boy FLSTF
2001-2006 Harley-Davidson Heritage Softail Classic EFI FLSTCI
1999-2006 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
1999-2003 Harley-Davidson Heritage Springer FLSTS
2001-2006 Harley-Davidson Night Train EFI FXSTBI
1999-2006 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
1999 Harley-Davidson Softail Custom FXSTC
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
1999-2006 Harley-Davidson Softail Springer FXSTS
2001-2006 Harley-Davidson Softail Standard EFI FXSTI
1999-2006 Harley-Davidson Softail Standard FXST
2006 Harley-Davidson Street Glide EFI FLHXI
2006 Harley-Davidson Street Glide FLHX
1999 Harley-Davidson Super Glide CVO FXR2
1999 Harley-Davidson Super Glide CVO FXR3
2000 Harley-Davidson Super Glide CVO FXR4

Customers Also Viewed