S&S CYCLE SKU: T14-662044

S&S Cycle Piston Ring Sets — Harley-Davidson Street Glide, Softail Fat Boy 114, Road King Special (2017-2026)

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$178.95
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S&S Cycle piston ring set for 4.320 in. bore Milwaukee-Eight engines, sold in a 2-pack for shops or multi-engine rebuilds. Direct OEM-replacement spec for 2017 and newer Harley-Davidson M8 powerplants.

Features

  • 4.320 in. bore size
  • 2-pack quantity
  • For 2017+ Milwaukee-Eight (M8) engines

Specifications

  • Brand: S&S Cycle
  • Manufacturer Part #: 940-0067
  • Bore Size: 4.320 in.
  • Quantity: 2 per pack
  • Weight: 0.18 lb
  • Category: Engine Components / Piston Rings

Fitment

Fits 2017 and newer Harley-Davidson Milwaukee-Eight (M8) engines with 4.320 in. bore.

Frequently Asked Questions

Will these fit my Twin Cam Harley?

No — this ring set is specific to Milwaukee-Eight (M8) engines. Twin Cam engines require a different part number.

Why are these sold in 2-packs?

Two sets accommodate shops restoring multiple engines or riders building spare M8 short-blocks.

Do I need new pistons to use these rings?

Piston ring sets are installed on existing pistons during engine rebuild. Verify your piston bore diameter matches 4.320 in. before ordering.

BRANDS&S Cycle
TYPEPiston Rings
SKUT14-662044
WEIGHT0.18 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
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