DRAG SPECIALTIES Replacement Piston — Bore 3.437 in, Oversize +0.070 in, Stroke 3-31/32 in – 41-72, 79 Big Twin

Name: DRAG SPECIALTIES Replacement Piston — Bore 3.437 in, Oversize +0.070 in, Stroke 3-31/32 in – 41-72, 79 Big Twin
Brand: DRAG SPECIALTIES
SKU: DS-750707
Price: 99.22 EUR
Availability: InStock

Brand : DRAG SPECIALTIES

Reference : DS-750707

MPN : 750707-BX-LB1

SELECT YOUR VEHICLE TO VERIFY THE FITMENT

OEM-quality cast aluminum; kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

Hurry! only 14 items left in stock.

€99.22

€110.03

Save €10.81

VAT included

Delayed availability notice:

This product requires an extended supply time because it is located in our United States warehouse.
When ordered together with items that are currently in stock, the entire order will be shipped once all items are available.

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OEM quality cast aluminum alloy construction provides reliable performance and long service life.

Some fitments feature pistons with a coating that extends piston life, reduces friction and helps engines run cooler.

Ideal for OEM replacement and economical with great performance — kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (order separately). 🔧✨

Reference : DS-750707

In Stock

Data sheet

Units: Pair
Brand: DRAG SPECIALTIES
Bore - Oversize: +0.070"
Piston Material: Aluminum
Bore Size: 3,437"
Piston Diameter: 3,507"
3.507"
Stroke Length: 3-31/32"
Compression Ratio: 8.5:1
Harley Family: Vintage Big Twin

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

Manufacturer	Model	Family	Year

Harley Davidson		Big Twin	1946
Harley Davidson		Big Twin	1947
Harley Davidson		Big Twin	1948
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		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		Big Twin	1948
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	1970
Harley Davidson	Electra Glide	Big Twin	1971
Harley Davidson	Electra Glide	Big Twin	1972
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	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	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	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	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	1970
Harley Davidson	Electra Glide	Big Twin	1971
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	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	Super Glide	Big Twin	1971
Harley Davidson	Super Glide	Big Twin	1972
Harley Davidson	Super Glide	Big Twin	1979

DRAG SPECIALTIES Replacement Piston — Bore 3.437 in, Oversize +0.070 in, Stroke 3-31/32 in – 41-72, 79 Big Twin

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