Replacement Piston — 3.750" bore, 4-3/8" stroke, kit

DRAG SPECIALTIES Replacement Piston — 3.750" bore, 4-3/8" stroke, kit – 07-11 Touring, 07-11 Softail, 07-13 Dyna

DRAG SPECIALTIES
0911-0017
21988-07
OEM-quality cast aluminum replacement piston; kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).
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€98.01
€109.03
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OEM quality cast aluminum alloy construction delivers reliable durability and consistent performance.

Some fitments feature a protective coating that extends piston life, reduces friction and helps engines run cooler. 🔧🔥

Ideal for OEM replacement and an economical solution that balances cost and performance.

Kits include two pistons, wrist pins and clips; accepts OEM or Hastings rings (order separately). ✅

: 0911-0017
In Stock

Data sheet

Brand
DRAG SPECIALTIES
Bore - Oversize
Standard
Bore Size
3,750"
Compression Ratio
9.2:1
Harley Family
Dyna
Softail
Touring

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

Manufacturer Model Family Year Notes
Harley Davidson Road King Touring 2007
Harley Davidson Road King Touring 2009
Harley Davidson Road King Touring 2011
Harley Davidson Road King Touring 2008
Harley Davidson Road King Touring 2009
Harley Davidson Road King Touring 2010
Harley Davidson Road King Touring 2011
Harley Davidson Road King Classic Touring 2007
Harley Davidson Road King Classic Touring 2009
Harley Davidson Road King Classic Touring 2010
Harley Davidson Road King Classic Touring 2009
Harley Davidson Road King Classic Touring 2010
Harley Davidson Road King Classic Touring 2011
Harley Davidson Electra Glide Touring 2007
Harley Davidson Electra Glide Touring 2009
Harley Davidson Electra Glide Classic Touring 2007
Harley Davidson Electra Glide Classic Touring 2008
Harley Davidson Electra Glide Classic Touring 2011
Harley Davidson Electra Glide Classic Touring 2010
Harley Davidson Electra Glide Ultra Classic Touring 2011
Harley Davidson Electra Glide Ultra Classic Touring 2008
Harley Davidson Electra Glide Ultra Classic Touring 2010
Harley Davidson Electra Glide Ultra Classic Touring 2011
Harley Davidson Electra Glide Ultra Limited Touring 2010
Harley Davidson Electra Glide Ultra Limited Touring 2011
Harley Davidson Street Glide Touring 2008
Harley Davidson Street Glide Touring 2009
Harley Davidson Street Glide Touring 2010
Harley Davidson Street Glide Touring 2011
Harley Davidson Street Glide Touring 2008
Harley Davidson Heritage Softail Classic Softail 2009
Harley Davidson Heritage Softail Classic Softail 2011
Harley Davidson Heritage Softail Classic Softail 2011
Harley Davidson Fat Boy Softail 2008
Harley Davidson Fat Boy Softail 2010
Harley Davidson Fat Boy Softail 2011
Harley Davidson Fat Boy Softail 2011
Harley Davidson Fat Boy Lo Softail 2010
Harley Davidson Fat Boy Lo Softail 2011
Harley Davidson Softail Deluxe Softail 2010
Harley Davidson Softail Deluxe Softail 2011
Harley Davidson Softail Deluxe Softail 2011
Harley Davidson Cross Bones Softail 2008
Harley Davidson Cross Bones Softail 2010
Harley Davidson Cross Bones Softail 2011
Harley Davidson Softail Springer Classic Softail 2007
Harley Davidson Road Glide Touring 2007
Harley Davidson Road Glide Touring 2008
Harley Davidson Road Glide Touring 2009
Harley Davidson Road Glide Touring 2009
Harley Davidson Road Glide Custom Touring 2010
Harley Davidson Road Glide Custom Touring 2010
Harley Davidson Road Glide Custom Touring 2011
Harley Davidson Rocker Softail 2009
Harley Davidson Dyna Super Glide Dyna 2008
Harley Davidson Dyna Super Glide Dyna 2010
Harley Davidson Dyna Street Bob Dyna 2011
Harley Davidson Dyna Street Bob Dyna 2012
Harley Davidson Dyna Street Bob Dyna 2012
Harley Davidson Dyna Street Bob Dyna 2013
Harley Davidson Dyna Super Glide Custom Dyna 2007
Harley Davidson Dyna Super Glide Custom Dyna 2009
Harley Davidson Dyna Super Glide Custom Dyna 2010
Harley Davidson Dyna Super Glide Custom Dyna 2011
Harley Davidson Dyna Super Glide Custom Dyna 2012
Harley Davidson Dyna Super Glide Custom Dyna 2013
Harley Davidson Dyna Super Glide Custom Dyna 2013
Harley Davidson Dyna Fat Bob Dyna 2008
Harley Davidson Dyna Fat Bob Dyna 2009
Harley Davidson Dyna Low Rider Dyna 2008
Harley Davidson Dyna Wide Glide Dyna 2007
Harley Davidson Dyna Wide Glide 105th Anniversary Dyna 2008
Harley Davidson Dyna Wide Glide Dyna 2011
Harley Davidson Dyna Wide Glide Dyna 2012
Harley Davidson Blackline Softail 2011
Harley Davidson Blackline Softail 2011
Harley Davidson Softail Softail 2007
Harley Davidson Softail Night Train Softail 2007
Harley Davidson Softail Night Train Softail 2008
Harley Davidson Softail Custom Softail 2009
Harley Davidson Softail Custom Softail 2010
Harley Davidson Softail Deuce Softail 2007