Replacement Piston Rings — Bore 3.437"

HASTINGS Replacement Piston Rings — Bore 3.437" – 41-47, 49-80 Big Twin, 80 Touring

HASTINGS
DS-750620
WG1010292|6482

Complete two-piston replacement ring kit with top and second compression rings plus three-piece oil control rings for improved sealing and oil management.

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Replacement piston rings engineered for reliable sealing, oil control, and heat transfer.

  • Includes top compression rings, second compression rings, and oil control rings.
  • Top compression rings are barrel face and cast coated to aid heat transfer.
  • Second compression rings are reverse torsional taper face to promote side sealing and better oil economy.
  • Oil control rings are a three-piece flex vent design with four steel rails and two expanders for positive oil control.
  • Includes enough rings for two pistons; two rings per groove, except rails which are two rails per one expander.

Kit Includes:

  • 2x Top Compression Rings 0.0625"
  • 2x Second Compression Rings 0.0625"
  • 2x Expander Rings
  • 4x Steel Rails

Made in the USA.

: DS-750620
In Stock

Data sheet

Units
Set
Style
Replacement
Brand
HASTINGS
Bore - Oversize
Standard
Bore Size
3,437"
Ring Material
Cast
Harley Family
Touring
Vintage Big Twin

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Big Twin 1941
Harley Davidson Big Twin 1942
Harley Davidson Big Twin 1943
Harley Davidson Big Twin 1944
Harley Davidson Big Twin 1945
Harley Davidson Big Twin 1946
Harley Davidson Big Twin 1947
Harley Davidson Hydra Glide Big Twin 1949
Harley Davidson Hydra Glide Big Twin 1950
Harley Davidson Hydra Glide Big Twin 1951
Harley Davidson Hydra Glide Big Twin 1952
Harley Davidson Hydra Glide Big Twin 1953
Harley Davidson Hydra Glide Big Twin 1954
Harley Davidson Hydra Glide Big Twin 1955
Harley Davidson Hydra Glide Big Twin 1956
Harley Davidson Hydra Glide Big Twin 1957
Harley Davidson Duo Glide Big Twin 1958
Harley Davidson Duo Glide Big Twin 1959
Harley Davidson Duo Glide Big Twin 1960
Harley Davidson Duo Glide Big Twin 1961
Harley Davidson Duo Glide Big Twin 1962
Harley Davidson Duo Glide Big Twin 1963
Harley Davidson Duo Glide Big Twin 1964
Harley Davidson Electra Glide Big Twin 1965
Harley Davidson Electra Glide Big Twin 1966
Harley Davidson Electra Glide Big Twin 1967
Harley Davidson Electra Glide Big Twin 1968
Harley Davidson Electra Glide Big Twin 1969
Harley Davidson Electra Glide Big Twin 1970
Harley Davidson Electra Glide Big Twin 1971
Harley Davidson Electra Glide Big Twin 1972
Harley Davidson Electra Glide Big Twin 1973
Harley Davidson Electra Glide Big Twin 1974
Harley Davidson Electra Glide Big Twin 1975
Harley Davidson Electra Glide Big Twin 1976
Harley Davidson Electra Glide Big Twin 1977
Harley Davidson Duo Glide Big Twin 1958
Harley Davidson Duo Glide Big Twin 1959
Harley Davidson Duo Glide Big Twin 1960
Harley Davidson Duo Glide Big Twin 1961
Harley Davidson Duo Glide Big Twin 1962
Harley Davidson Duo Glide Big Twin 1963
Harley Davidson Duo Glide Big Twin 1964
Harley Davidson Electra Glide Big Twin 1970
Harley Davidson Electra Glide Big Twin 1971
Harley Davidson Electra Glide Big Twin 1972
Harley Davidson Electra Glide Big Twin 1973
Harley Davidson Electra Glide Big Twin 1974
Harley Davidson Electra Glide Big Twin 1975
Harley Davidson Electra Glide Big Twin 1976
Harley Davidson Electra Glide Big Twin 1977
Harley Davidson Electra Glide Big Twin 1978
Harley Davidson Electra Glide Big Twin 1979
Harley Davidson Electra Glide Big Twin 1980
Harley Davidson Electra Glide Sport Touring 1980
Harley Davidson Super Glide Big Twin 1971
Harley Davidson Super Glide Big Twin 1972
Harley Davidson Super Glide Big Twin 1973
Harley Davidson Super Glide Big Twin 1974
Harley Davidson Super Glide Big Twin 1975
Harley Davidson Super Glide Big Twin 1976
Harley Davidson Super Glide Big Twin 1977
Harley Davidson Super Glide Big Twin 1978
Harley Davidson Super Glide Big Twin 1974
Harley Davidson Super Glide Big Twin 1975
Harley Davidson Super Glide Big Twin 1976
Harley Davidson Super Glide Big Twin 1977
Harley Davidson Super Glide Big Twin 1978
Harley Davidson Super Glide Big Twin 1979
Harley Davidson Super Glide Big Twin 1980
Harley Davidson Fat Bob Big Twin 1979
Harley Davidson Low Rider Big Twin 1977
Harley Davidson Low Rider Big Twin 1978
Harley Davidson Low Rider Big Twin 1979