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Shop › Top End
Hastings Piston Rings — 3.750" Standard — 88" Twin Cam
In stock

Hastings Piston Rings — 3.750" Standard — 88" Twin Cam

Hastings · #DS-750869 · Top End / Engine
  • 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
$79.76
In stock. Ships in 2–4 business days · free shipping over $150.
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Questions? Call the shop: 801-361-3010
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Description & features14 features

For KB pistons only, not for OEM pistons.

Set for one piston only.

Kit Includes:

• 1x Top Compression Rings

• 1x Second Compression Rings

• 1x Expander Rings

• 2x Steel Rails

  • 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.
Specifications9 specs
Bore - Oversize
Standard
Bore Size
3.750"
Ring Material
Moly Coated
Units
Set
Style
Replacement
Riding Style
Street
Shipping weight
0.19 lb
Package size
5.2 × 5.1 × 1.3 in
Country of origin
USA
Fitment51 models · Harley-Davidson
Harley-Davidson51 models
  • 15th Anniversary Fat Boy FLSTF2005
  • Electra Glide Ultra Classic FLHTCU1999
  • FLHR Road King1999–2006
  • FLHRCI Road King Classic1999–2006
  • FLHRI Road King2000–2006
  • FLHRS Road King Custom2004–2006
  • FLHRSI Road King Custom2004–2006
  • FLHT Electra Glide Standard1999–2006
  • FLHTC Electra Glide Classic1999–2006
  • FLHTCI Electra Glide Classic1999–2006
  • FLHTCUI Electra Glide Ultra Classic1999–2006
  • FLHTI Electra Glide Standard2003–2006
  • FLHX Street Glide2006
  • FLHXI Street Glide2006
  • FLST Heritage Softail2006
  • FLSTC Heritage Softail Classic2000–2006
  • FLSTCI Heritage Softail Classic2001–2006
  • FLSTF Fat Boy2000–2006
  • FLSTFI Fat Boy2002–2006
  • FLSTI Heritage Softail2006
  • FLSTN Softail Deluxe2005–2006
  • FLSTNI Softail Deluxe2005–2006
  • FLSTS Heritage Springer2000–2003
  • FLSTSC Softail Springer Classic2005–2006
  • FLSTSCI Softail Springer Classic2005–2006
  • FLSTSI Heritage Springer2001–2003
  • FLTR Road Glide1999–2002
  • FLTRI Road Glide1999–2006
  • FXD Dyna Super Glide1999–2005
  • FXDB Street Bob2006
  • FXDC Super Glide Custom2005
  • FXDCI Super Glide Custom2005–2006
  • FXDI Dyna Super Glide2004–2006
  • FXDI35 Dyna 35th Anniversary Super Glide2006
  • FXDL Dyna Low Rider1999–2005
  • FXDLI Dyna Low Rider2004–2006
  • FXDS-Conv Dyna Convertible1999–2000
  • FXDWG Dyna Wide Glide1999–2005
  • FXDWGI Dyna Wide Glide2004–2006
  • FXDX Dyna Super Glide Sport1999–2005
  • FXDXI Dyna Super Glide Sport2004–2005
  • FXDXT Dyna Super Glide T-Sport2001–2003
  • FXST Softail Standard2000–2006
  • FXSTB Night Train2000–2006
  • FXSTBI Night Train2001–2006
  • FXSTD Softail Deuce2000–2006
  • FXSTDI Softail Deuce2001–2006
  • FXSTI Softail Standard2001–2006
  • FXSTS Springer Softail2000–2006
  • FXSTSI Springer Softail2001–2006
  • Road King EFI FLHR1999
Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.
Part numbers
Salto part #
DS-750869
Hastings part #
2M4793
UPC
075538206910
Shipping

In stock. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers
Is it in stock?
Yes — it’s in stock right now. We check again the moment you order, before anything is charged.
How fast will it get to me?
Usually 2–4 business days by ground.
Will it fit my machine?
It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine Hastings?
Yes. It’s new and genuine, straight from Salto — Hastings part #2M4793.

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