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Shop › Top End
Hastings Piston Rings — 107" Motor — 3.937" Standard — M8
In stock

Hastings Piston Rings — 107" Motor — 3.937" Standard — M8

Hastings · #0912-0959 · Top End / Engine
  • Includes top compression rings, second compression rings, and oil control rings
  • Top compression rings are Barrel Face
  • Coated using PVD (Physical Vapor Deposition) process
  • 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
$80.88
In stock. Ships in 2–4 business days · free shipping over $150.
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Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
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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
  • Coated using PVD (Physical Vapor Deposition) process
  • 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 rings 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.
  • Two rings per groove, except for the rails that will be two rail rings per one expander ring.
Specifications9 specs
Riding Style
Street
Type
Replacement
Displacement
107"
Piston Size
Standard
Units
Set
Bore Size
3.937"
Shipping weight
0.19 lb
Package size
5.2 × 5 × 1.5 in
Country of origin
USA
Fitment31 models · Harley-Davidson
Harley-Davidson31 models
  • Electra Glide Police FLHTPI2017–2024
  • FLDE Deluxe 1072018–2020
  • FLFB Fat Boy 1072018–2019
  • FLHC Heritage Classic 1072018–2021
  • FLHR Road King2017–2022
  • FLHRXS Road King Special2017–2024
  • FLHT Electra Glide Standard2019–2020, 2022
  • FLHTCU Electra Glide Ultra Classic2017–2019
  • FLHTK Ultra Limited2017–2024
  • FLHTKL Ultra Limited Low2017–2019
  • FLHTKSE CVO Limited2017–2021
  • FLHX Street Glide2017–2024
  • FLHXS Street Glide Special2017–2023
  • FLHXSE CVO Street Glide2017–2024
  • FLSB Sport Glide 1072018–2021
  • FLSL Softail Slim 1072018–2021
  • FLTRK Road Glide Limited2020–2024
  • FLTRU Road Glide Ultra2017–2019
  • FLTRX Road Glide2017–2024
  • FLTRXS Road Glide Special2017–2022
  • FLTRXSE CVO Road Glide2018–2024
  • FXBB Street Bob 1072018–2020
  • FXBBS Street Bob 1142021, 2023–2024
  • FXBR Breakout 1072018–2019
  • FXBR Breakout 1172023–2024
  • FXFB Fat Bob 1072018–2019
  • FXLR Low Rider 1072018–2020
  • FXLRS Low Rider S 1142020–2021
  • FXLRS Low Rider S 1172022–2024
  • FXST Softail Standard 1072020–2024
  • Softail Street Bob FXBB2022
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 #
0912-0959
Hastings part #
2C5231
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 #2C5231.