Big Bore Cylinder Kit — 3.937" bore, 98" displacement, 4.000" stroke, Black

S&S CYCLE Big Bore Cylinder Kit — 3.937" bore, 98" displacement, 4.000" stroke, Black – 99-06 Touring, 99-06 CVO, 99-06 Softail, 99-06 Dyna

S&S CYCLE
0931-0536
910-0481

Direct-swap big bore cylinder kit for use with stock cylinder heads. Includes pistons, rings and head, base and exhaust gaskets. Made in the USA. Requires a skilled technician; assembler must verify clearances and specs. Not for Twin Cooled motors or use with 79 cc heads.

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Upgrade your engine with the Big Bore Cylinder Kit — a direct-swap solution that delivers excellent results with stock cylinder heads. 🔧

Easy installation: no need to bore or split existing cases; simply swap the cylinders unless otherwise noted. The kit includes cylinders, pistons, rings and gaskets (head, base and exhaust).

Cylinders are constructed from premium aluminum castings with cast-in iron liners and are made in the USA.

This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Not for Twin Cooled motors. Not for use with 79 cc heads. ⚠️

: 0931-0536
In Stock

Data sheet

Color/Finish
Black
Brand
S&S CYCLE
Bore Size
3,937"
Compression Ratio
9.8:1

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 1999
Harley Davidson Road King Touring 2000
Harley Davidson Road King Touring 2001
Harley Davidson Road King Touring 2002
Harley Davidson Road King Touring 2003
Harley Davidson Road King Touring 2004
Harley Davidson Road King Touring 2005
Harley Davidson Road King Touring 2006
Harley Davidson Road King Classic Touring 2004
Harley Davidson Road King Classic Touring 1999
Harley Davidson Road King Classic Touring 2000
Harley Davidson Road King Classic Touring 2001
Harley Davidson Road King Classic Touring 2002
Harley Davidson Road King Classic Touring 2003
Harley Davidson Road King Classic Touring 2004
Harley Davidson Road King Classic Touring 2005
Harley Davidson Road King Classic Touring 2006
Harley Davidson Road King Touring 1999
Harley Davidson Road King Touring 2000
Harley Davidson Road King Touring 2003
Harley Davidson Road King Touring 2004
Harley Davidson Road King Touring 2005
Harley Davidson Road King Touring 2006
Harley Davidson Road King Custom Touring 2004
Harley Davidson Road King Custom Touring 2005
Harley Davidson Road King Custom Touring 2006
Harley Davidson Road King Screamin Eagle CVO 2002
Harley Davidson Road King Screamin Eagle CVO 2003
Harley Davidson Road King Custom Touring 2004
Harley Davidson Road King Custom Touring 2005
Harley Davidson Road King Custom Touring 2006
Harley Davidson Electra Glide Touring 1999
Harley Davidson Electra Glide Touring 2000
Harley Davidson Electra Glide Touring 2001
Harley Davidson Electra Glide Touring 2002
Harley Davidson Electra Glide Touring 2003
Harley Davidson Electra Glide Touring 2004
Harley Davidson Electra Glide Touring 2005
Harley Davidson Electra Glide Touring 2006
Harley Davidson Electra Glide Classic Touring 2002
Harley Davidson Electra Glide Classic Touring 2003
Harley Davidson Electra Glide Classic Touring 2004
Harley Davidson Electra Glide Classic Touring 2005
Harley Davidson Electra Glide Classic Touring 1999
Harley Davidson Electra Glide Classic Touring 2000
Harley Davidson Electra Glide Classic Touring 2003
Harley Davidson Electra Glide Classic Touring 2004
Harley Davidson Electra Glide Classic Touring 2005
Harley Davidson Electra Glide Classic Touring 2006
Harley Davidson Electra Glide Screamin Eagle CVO 2005
Harley Davidson Electra Glide Ultra Classic Touring 1999
Harley Davidson Electra Glide Ultra Classic Touring 2000
Harley Davidson Electra Glide Ultra Classic Touring 2001
Harley Davidson Electra Glide Ultra Classic Touring 2002
Harley Davidson Electra Glide Ultra Classic Touring 2003
Harley Davidson Electra Glide Ultra Classic Touring 2004
Harley Davidson Electra Glide Ultra Classic Touring 2005
Harley Davidson Electra Glide Ultra Classic Touring 2006
Harley Davidson Electra Glide Ultra Classic Screamin Eagle CVO 2006
Harley Davidson Electra Glide Touring 2004
Harley Davidson Electra Glide Touring 2005
Harley Davidson Electra Glide Touring 2006
Harley Davidson Street Glide Touring 2006
Harley Davidson Street Glide Touring 2006
Harley Davidson Heritage Softail Softail 2006
Harley Davidson Heritage Softail Classic Softail 1999
Harley Davidson Heritage Softail Classic Softail 2000
Harley Davidson Heritage Softail Classic Softail 2001
Harley Davidson Heritage Softail Classic Softail 2002
Harley Davidson Heritage Softail Classic Softail 2003
Harley Davidson Heritage Softail Classic Softail 2004
Harley Davidson Heritage Softail Classic Softail 2005
Harley Davidson Heritage Softail Classic Softail 2006
Harley Davidson Heritage Softail Classic Softail 2001
Harley Davidson Heritage Softail Classic Softail 2002
Harley Davidson Heritage Softail Classic Softail 2003
Harley Davidson Heritage Softail Classic Softail 2004
Harley Davidson Heritage Softail Classic Softail 2005
Harley Davidson Heritage Softail Classic Softail 2006
Harley Davidson Fat Boy Softail 1999
Harley Davidson Fat Boy Softail 2000
Harley Davidson Fat Boy Softail 2001
Harley Davidson Fat Boy Softail 2002
Harley Davidson Fat Boy Softail 2003
Harley Davidson Fat Boy Softail 2004
Harley Davidson Fat Boy Softail 2005
Harley Davidson Fat Boy Softail 2006
Harley Davidson Fat Boy Softail 2001
Harley Davidson Fat Boy Softail 2002
Harley Davidson Fat Boy Softail 2003
Harley Davidson Fat Boy Softail 2004
Harley Davidson Fat Boy Softail 2005
Harley Davidson Fat Boy Softail 2006
Harley Davidson Fat Boy 15th Anniversary Softail 2005
Harley Davidson Fat Boy Screamin Eagle CVO 2005
Harley Davidson Fat Boy Screamin Eagle CVO 2006
Harley Davidson Heritage Softail Softail 2006
Harley Davidson Softail Deluxe Softail 2005
Harley Davidson Softail Deluxe Softail 2006
Harley Davidson Softail Deluxe Softail 2005
Harley Davidson Softail Deluxe Softail 2006
Harley Davidson Heritage Softail Springer Softail 1999
Harley Davidson Heritage Softail Springer Softail 2000
Harley Davidson Heritage Softail Springer Softail 2001
Harley Davidson Heritage Softail Springer Softail 2002
Harley Davidson Heritage Softail Springer Softail 2003
Harley Davidson Softail Springer Classic Softail 2005
Harley Davidson Softail Springer Classic Softail 2006
Harley Davidson Softail Springer Classic Softail 2005
Harley Davidson Softail Springer Classic Softail 2006
Harley Davidson Heritage Softail Springer Softail 2003
Harley Davidson Road Glide Touring 1999
Harley Davidson Road Glide Touring 2000
Harley Davidson Road Glide Touring 2001
Harley Davidson Road Glide Touring 2002
Harley Davidson Road Glide Touring 2003
Harley Davidson Road Glide Touring 1999
Harley Davidson Road Glide Touring 2000
Harley Davidson Road Glide Touring 2001
Harley Davidson Road Glide Touring 2002
Harley Davidson Road Glide Touring 2003
Harley Davidson Road Glide Touring 2004
Harley Davidson Road Glide Touring 2005
Harley Davidson Road Glide Touring 2006
Harley Davidson Road Glide Screamin Eagle CVO 2000
Harley Davidson Road Glide Screamin Eagle CVO 2001
Harley Davidson Dyna Super Glide Dyna 1999
Harley Davidson Dyna Super Glide Dyna 2000
Harley Davidson Dyna Super Glide Dyna 2001
Harley Davidson Dyna Super Glide Dyna 2002
Harley Davidson Dyna Super Glide Dyna 2003
Harley Davidson Dyna Super Glide Dyna 2004
Harley Davidson Dyna Super Glide Dyna 2005
Harley Davidson Dyna Street Bob Dyna 2006
Harley Davidson Dyna Super Glide Custom Dyna 2005
Harley Davidson Dyna Super Glide Custom Dyna 2005
Harley Davidson Dyna Super Glide Custom Dyna 2006
Harley Davidson Dyna Super Glide Dyna 2004
Harley Davidson Dyna Super Glide Dyna 2005
Harley Davidson Dyna Super Glide Dyna 2006
Harley Davidson Dyna Super Glide 35th Anniversary Dyna 2006
Harley Davidson Dyna Low Rider Dyna 1999
Harley Davidson Dyna Low Rider Dyna 2000
Harley Davidson Dyna Low Rider Dyna 2001
Harley Davidson Dyna Low Rider Dyna 2002
Harley Davidson Dyna Low Rider Dyna 2003
Harley Davidson Dyna Low Rider Dyna 2004
Harley Davidson Dyna Low Rider Dyna 2005
Harley Davidson Dyna Low Rider Dyna 2004
Harley Davidson Dyna Low Rider Dyna 2005
Harley Davidson Dyna Low Rider Dyna 2006
Harley Davidson Dyna Super Glide Convertible Dyna 1999
Harley Davidson Dyna Super Glide Convertible Dyna 2000
Harley Davidson Dyna Wide Glide Dyna 1999
Harley Davidson Dyna Wide Glide Dyna 2000
Harley Davidson Dyna Wide Glide Dyna 2001
Harley Davidson Dyna Wide Glide Dyna 2002
Harley Davidson Dyna Wide Glide Dyna 2003
Harley Davidson Dyna Wide Glide Dyna 2004
Harley Davidson Dyna Wide Glide Dyna 2005
Harley Davidson Dyna Wide Glide Limited Edition CVO 2001
Harley Davidson Dyna Wide Glide Limited Edition CVO 2002
Harley Davidson Dyna Wide Glide Dyna 2004
Harley Davidson Dyna Wide Glide Dyna 2005
Harley Davidson Dyna Wide Glide Dyna 2006
Harley Davidson Dyna Super Glide Sport Dyna 1999
Harley Davidson Dyna Super Glide Sport Dyna 2000
Harley Davidson Dyna Super Glide Sport Dyna 2001
Harley Davidson Dyna Super Glide Sport Dyna 2002
Harley Davidson Dyna Super Glide Sport Dyna 2003
Harley Davidson Dyna Super Glide Sport Dyna 2004
Harley Davidson Dyna Super Glide Sport Dyna 2004
Harley Davidson Dyna Super Glide Sport Dyna 2005
Harley Davidson Dyna Super Glide T-Sport Dyna 2001
Harley Davidson Dyna Super Glide T-Sport Dyna 2002
Harley Davidson Dyna Super Glide T-Sport Dyna 2003
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Super Glide Screamin Eagle CVO 1999
Harley Davidson Super Glide Screamin Eagle CVO 2000
Harley Davidson Softail Softail 1999
Harley Davidson Softail Softail 2000
Harley Davidson Softail Softail 2001
Harley Davidson Softail Softail 2002
Harley Davidson Softail Softail 2003
Harley Davidson Softail Softail 2004
Harley Davidson Softail Softail 2005
Harley Davidson Softail Softail 2006
Harley Davidson Softail Night Train Softail 1999
Harley Davidson Softail Night Train Softail 2000
Harley Davidson Softail Night Train Softail 2001
Harley Davidson Softail Night Train Softail 2002
Harley Davidson Softail Night Train Softail 2003
Harley Davidson Softail Night Train Softail 2004
Harley Davidson Softail Night Train Softail 2005
Harley Davidson Softail Night Train Softail 2006
Harley Davidson Softail Night Train Softail 2003
Harley Davidson Softail Night Train Softail 2004
Harley Davidson Softail Night Train Softail 2005
Harley Davidson Softail Night Train Softail 2006
Harley Davidson Softail Deuce Softail 2000
Harley Davidson Softail Deuce Softail 2001
Harley Davidson Softail Deuce Softail 2002
Harley Davidson Softail Deuce Softail 2003
Harley Davidson Softail Deuce Softail 2004
Harley Davidson Softail Deuce Softail 2005
Harley Davidson Softail Deuce Softail 2006
Harley Davidson Softail Deuce Softail 2001
Harley Davidson Softail Deuce Softail 2002
Harley Davidson Softail Deuce Softail 2003
Harley Davidson Softail Deuce Softail 2004
Harley Davidson Softail Deuce Softail 2005
Harley Davidson Softail Deuce Softail 2006
Harley Davidson Softail Deuce Screamin Eagle CVO 2003
Harley Davidson Softail Deuce Screamin Eagle CVO 2004
Harley Davidson Softail Softail 2003
Harley Davidson Softail Softail 2004
Harley Davidson Softail Softail 2005
Harley Davidson Softail Softail 2006
Harley Davidson Softail Springer Softail 1999
Harley Davidson Softail Springer Softail 2000
Harley Davidson Softail Springer Softail 2001
Harley Davidson Softail Springer Softail 2002
Harley Davidson Softail Springer Softail 2003
Harley Davidson Softail Springer Softail 2004
Harley Davidson Softail Springer Softail 2005
Harley Davidson Softail Springer Softail 2006
Harley Davidson Softail Springer Softail 2003
Harley Davidson Softail Springer Softail 2004
Harley Davidson Softail Springer Softail 2005
Harley Davidson Softail Springer Softail 2006