T143 Long Block Engine — 143 cu in, 4.625 in stroke, 4.425 in bore, 10.5:1

S&S CYCLE T143 Long Block Engine — 143 cu in, 4.625 in stroke, 4.425 in bore, 10.5:1 – 99-06 Touring, 00-06 CVO, 00-06 Softail, 99-06 Dyna

S&S CYCLE
0901-0245
310-0833A
Complete T143 long block assembly; requires T143-specific or custom exhaust, carb/intake and ignition sold separately; fits stock chassis; not for '06 Dyna.
Hurry! only 5 items left in stock.
€14,082.36
VAT included
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The T143 Long Block Engine is a complete short-block solution built for high-performance V-twin builds. 🔧🔥

  • S&S B3 cylinder heads CNC-machined with two-bolt exhaust flanges.
  • S&S 635 easy-start gear drive cams and 1.725:1 rocker arms for .674" total lift.
  • Super Stock™ T2 crankcases with reed breather valve and three-piece flywheels for improved durability.
  • High-flow oil pump, cam cover, and premium high-performance tappets enhance reliability under load.
  • Made in the USA.
  • T143-specific or custom exhaust required; does not include carb/intake or ignition system and must be purchased separately.
  • Fits in stock chassis with no cutting or frame modifications necessary; not for '06 Dyna.

Revised oil routing on '99–'06 Touring models eliminates the need for an oil line installation kit.

: 0901-0245
In Stock

Data sheet

Type
Long Block
Units
Each
Color/Finish
Black
Brand
S&S CYCLE
Bore Size
4,425"
Displacement
143"
Stroke Length
4,625"
Compression Ratio
10.5:1
Harley Family
CVO
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 Classic Touring 2004
Harley Davidson Road King Classic Touring 2002
Harley Davidson Road King Classic Touring 2003
Harley Davidson Road King Classic Touring 2006
Harley Davidson Road King Touring 1999
Harley Davidson Road King Touring 2001
Harley Davidson Road King Touring 2002
Harley Davidson Road King Touring 2003
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 2001
Harley Davidson Electra Glide Touring 2002
Harley Davidson Electra Glide Touring 2003
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 2004
Harley Davidson Electra Glide Classic Touring 2005
Harley Davidson Electra Glide Screamin Eagle CVO 2004
Harley Davidson Electra Glide Ultra Classic Touring 1999
Harley Davidson Electra Glide Ultra Classic Touring 2000
Harley Davidson Electra Glide Ultra Classic Touring 2002
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 2005
Harley Davidson Heritage Softail Softail 2006
Harley Davidson Heritage Softail Classic Softail 2000
Harley Davidson Heritage Softail Classic Softail 2002
Harley Davidson Heritage Softail Classic Softail 2005
Harley Davidson Heritage Softail Classic Softail 2002
Harley Davidson Heritage Softail Classic Softail 2003
Harley Davidson Heritage Softail Classic Softail 2005
Harley Davidson Heritage Softail Classic Softail 2006
Harley Davidson Fat Boy Softail 2002
Harley Davidson Fat Boy Softail 2005
Harley Davidson Fat Boy Softail 2006
Harley Davidson Fat Boy Softail 2003
Harley Davidson Fat Boy Softail 2004
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 2006
Harley Davidson Softail Deluxe Softail 2005
Harley Davidson Softail Deluxe Softail 2006
Harley Davidson Heritage Softail Springer Softail 2001
Harley Davidson Heritage Softail Springer Softail 2002
Harley Davidson Softail Springer Classic Softail 2006
Harley Davidson Softail Springer Classic Softail 2005
Harley Davidson Heritage Softail Springer Softail 2003
Harley Davidson Road Glide Touring 2001
Harley Davidson Road Glide Touring 1999
Harley Davidson Road Glide Touring 2003
Harley Davidson Road Glide Touring 2005
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 2002
Harley Davidson Dyna Super Glide Dyna 2004
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 35th Anniversary Dyna 2006
Harley Davidson Dyna Low Rider Dyna 1999
Harley Davidson Dyna Low Rider Dyna 2000
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 2006
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 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 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 2002
Harley Davidson Softail Night Train Softail 2003
Harley Davidson Softail Night Train Softail 2005
Harley Davidson Softail Night Train Softail 2005
Harley Davidson Softail Deuce Softail 2001
Harley Davidson Softail Deuce Softail 2003
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 2004
Harley Davidson Softail Deuce Softail 2005
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 2005
Harley Davidson Softail Springer Softail 2000
Harley Davidson Softail Springer Softail 2002
Harley Davidson Softail Springer Softail 2004
Harley Davidson Softail Springer Softail 2005
Harley Davidson Softail Springer Softail 2006
Harley Davidson Softail Springer Softail 2004
Harley Davidson Softail Springer Softail 2005
Harley Davidson Softail Springer Softail 2006