Replacement Piston — 3.538" diameter, 4-1/4" stroke, +0.040" oversize

DRAG SPECIALTIES Replacement Piston — 3.538" diameter, 4-1/4" stroke, +0.040" oversize – 79-84 Big Twin, 80-84 Touring, 82-84 FXR, 84 Police

DRAG SPECIALTIES
DS-750724
750724-BX-LB1

OEM-quality cast aluminum piston; economical kit includes pistons, wrist pins and clips.

Out of Stock
€98.01
€109.43
Save €11.42
VAT included
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Replacement piston made from OEM-quality cast aluminum alloy for reliable performance. 🔧

Some fitments feature a durable coating that extends piston life, reduces friction and promotes cooler running engines. 🔥

Economical and ideal for OEM replacement; kits include two pistons, wrist pins and clips. ✅

Accepts OEM or Hastings rings (order separately) for a simple, dependable rebuild. 🛠️

: DS-750724
Out of Stock

Data sheet

Brand
DRAG SPECIALTIES
Bore - Oversize
+0.040"
Bore Size
3,498"
Compression Ratio
8.0:1
Harley Family
FXR
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 Electra Glide Big Twin 1979
Harley Davidson Electra Glide Big Twin 1980
Harley Davidson Electra Glide Big Twin 1981
Harley Davidson Electra Glide Big Twin 1982
Harley Davidson Electra Glide Big Twin 1983
Harley Davidson Electra Glide Belt Drive Big Twin 1984
Harley Davidson Electra Glide Classic Big Twin 1979
Harley Davidson Electra Glide Big Twin 1980
Harley Davidson Electra Glide Classic Big Twin 1981
Harley Davidson Electra Glide Classic Big Twin 1982
Harley Davidson Electra Glide Classic Big Twin 1983
Harley Davidson Electra Glide Touring 1983
Harley Davidson Electra Glide Touring 1984
Harley Davidson Electra Glide Classic Touring 1984
Harley Davidson Tour Glide Touring 1980
Harley Davidson Tour Glide Touring 1981
Harley Davidson Tour Glide Touring 1982
Harley Davidson Tour Glide Touring 1983
Harley Davidson Tour Glide Classic Touring 1980
Harley Davidson Tour Glide Classic Touring 1981
Harley Davidson Tour Glide Classic Touring 1982
Harley Davidson Tour Glide Classic Touring 1983
Harley Davidson Tour Glide Classic Touring 1984
Harley Davidson Sturgis Big Twin 1980
Harley Davidson Sturgis Big Twin 1981
Harley Davidson Sturgis Big Twin 1982
Harley Davidson Big Twin 1983
Harley Davidson Big Twin 1984
Harley Davidson Super Glide Big Twin 1981
Harley Davidson Super Glide Big Twin 1982
Harley Davidson Super Glide Big Twin 1983
Harley Davidson Super Glide Big Twin 1984
Harley Davidson Fat Bob Big Twin 1979
Harley Davidson Fat Bob Big Twin 1980
Harley Davidson Fat Bob Big Twin 1981
Harley Davidson Fat Bob Big Twin 1982
Harley Davidson Super Glide II FXR 1982
Harley Davidson Super Glide II FXR 1983
Harley Davidson Super Glide II FXR 1984
Harley Davidson Disc Glide Big Twin 1984
Harley Davidson Sport Glide Police Police 1984
Harley Davidson Low Glide FXR 1984
Harley Davidson Super Glide II FXR 1982
Harley Davidson Sport Glide FXR 1984
Harley Davidson Low Rider Big Twin 1979
Harley Davidson Low Rider Big Twin 1980
Harley Davidson Low Rider Big Twin 1981
Harley Davidson Low Rider Big Twin 1982
Harley Davidson Low Rider Big Twin 1983
Harley Davidson Low Rider Big Twin 1984
Harley Davidson Wide Glide Big Twin 1980
Harley Davidson Wide Glide Big Twin 1981
Harley Davidson Wide Glide Big Twin 1982
Harley Davidson Wide Glide Big Twin 1983
Harley Davidson Wide Glide Big Twin 1984