✦ Ground shipping $14.95 — free over $150✦ Live distributor stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069✦ Ground shipping $14.95 — free over $150✦ Live distributor stock — re-checked when you pay✦ Real prices, no dealer markup games✦ Questions answered by a human: 801-361-3010✦ Licensed Utah dealer № 140069
Shop › Top End
Hastings Piston Rings — 3.498" Standard — Evolution Big Twin
In warehouse stock

Hastings Piston Rings — 3.498" Standard — Evolution Big Twin

Hastings · #DS-750840 · 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
$52.52
In stock. Ships in 2–4 business days · free shipping over $150.
View cart & check out →
Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
Description & features14 features

Kit Includes:

• 2x Top Compression Rings

• 2x Second Compression Rings

• 2x Expander Rings

• 4x 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
Ring Material
Moly Coated
Bore - Oversize
Standard
Units
Set
Bore Size
3.498"
Riding Style
Street
Style
Performance Replacement
Shipping weight
0.25 lb
Package size
5.1 × 5 × 1.3 in
Country of origin
USA
Fitment62 models · Harley-Davidson
Harley-Davidson62 models
  • Electra Glide Police FLHTPI1995–1998
  • Electra Glide Police FLHTP1985–1998
  • Electra Glide Standard FLHT1985
  • Electra Glide Ultra Classic FLHTCU1998
  • FLH Electra Glide1984–1985
  • FLHR Road King1994–1998
  • FLHRCI Road King Classic1995–1998
  • FLHRI Road King1996–1997
  • FLHS Electra Glide Sport1987–1993
  • FLHT Electra Glide Standard1986–1987, 1995–1998
  • FLHTC Electra Glide Classic1985–1998
  • FLHTCI Electra Glide Classic1995–1998
  • FLHTCU Electra Glide Ultra Classic1989–1997
  • FLHTCUI Electra Glide Ultra Classic1995–1998
  • FLHX Electra Glide Special1984–1985
  • FLST Heritage Softail1986–1990
  • FLSTC Heritage Softail Classic1988–1999
  • FLSTF Fat Boy1990–1999
  • FLSTN Heritage Softail Nostalgia1993
  • FLSTN Heritage Softail Special1994–1996
  • FLSTS Heritage Springer1997–1999
  • FLTC Tour Glide Classic1984–1993
  • FLTCU Tour Glide Ultra Classic1989–1995
  • FLTCUI Tour Glide Ultra Classic1996
  • FLTR Road Glide1998
  • FLTRI Road Glide1998
  • FXD Dyna Super Glide1995–1998
  • FXDB-D Dyna Glide Daytona1992
  • FXDB-S Dyna Glide Sturgis1991
  • FXDC Super Glide Custom1992
  • FXDL Dyna Low Rider1993–1998
  • FXDS-Conv Dyna Convertible1995–1998
  • FXDWG Dyna Wide Glide1993–1998
  • FXLR Low Rider Custom1988–1994
  • FXR Super Glide II1986–1994
  • FXR21999
  • FXR31999
  • FXRC Low Rider Chrome1985, 1987
  • FXRD Sport Glide Grand Touring1986
  • FXRDG Disc Glide1984
  • FXRP1984–1992
  • FXRS Low Glide1984–1988, 1991–1992
  • FXRS-Conv Low Rider Sport Convertible1990–1993
  • FXRS-SP Low Rider Sport1986–1993
  • FXRT Sport Glide1984–1992
  • FXST Softail Standard1985–1999
  • FXSTB Night Train1999
  • FXSTC Softail Custom1986–1999
  • FXSTS Springer Softail1988–1999
  • FXSTSB Bad Boy1995–1997
  • Low Rider FXRS1989–1990, 1993
  • Road King EFI FLHR1995, 1998
  • Softail Heritage Classic FLSTC1986–1987
  • Sport Glide FXRT1993
  • Sportster 1100 XLH1988
  • Sportster 1200 XLH1999
  • Tour Glide Classic FLTC1994
  • Tour Glide FLT1984–1986
  • Tour Glide Ultra Classic FLTCU1996
  • XL1200C Sportster 1200 Custom1996–1999
  • XL1200S Sportster 1200 Sport1996–1999
  • XLH12001988–1998
Fitment comes from the distributor’s catalog. 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-750840
Hastings part #
2M6164
UPC
075538112334
Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Questions4 answers
Is it in stock?
Yes — the distributor shows it on a shelf at a regional warehouse 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?
The distributor lists it 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 ships new from the same distributors the big online stores buy from — Hastings part #2M6164.