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

S&S CYCLE T143 Long Block Engine — 143 cu in, 4.625 in stroke, 4.425 in bore, 10.5:1, Black – 06-17 Dyna, 07-10 CVO

S&S CYCLE
0901-0250
310-0901A
S&S-built T143 long block with CNC heads, gear drive cams, Super Stock™ T2 crankcases. Fits stock chassis; exhaust, carb/intake, and ignition sold separately.
Hurry! only 4 items left in stock.
€12,564.68
€13,008.14
Save €443.46
local_shipping In stock, ships in 20-25 days
Quantity

  Delivery policy

In stock items will be shipped within 1-3 days.

  Return policy

You can return the products within 14 days for a full refund, check our returns policy.

The T143 Long Block Engine delivers S&S precision machining and high-performance components for serious builds. 🔧🔥

Key features include:

  • 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
  • S&S Super Stock™ T2 crankcases with reed breather valve and three-piece flywheels
  • S&S high-flow oil pump and cam cover
  • S&S premium high-performance tappets
  • Made in the USA
  • T143-specific or custom exhaust required
  • Fits in stock chassis with no cutting or frame modifications
  • Carb/intake and ignition sold separately
  • Revised oil routing on '99-'06 Touring models eliminates previous oil line installation kit requirement

Built for builders who demand durability and compatibility with stock frames, the T143 Long Block is ready for installation and further customization. ⚙️

: 0901-0250
: 4 Items
In Stock

Data sheet

Color/Finish
Black
Brand
S&S CYCLE
Bore Size
4,425"
Compression Ratio
10.5:1

Shipping Policy

Shipping Areas:

We ship to:

  • Spain (Peninsula and Balearic Islands)
  • European Union countries

We do not ship to the Canary Islands, Ceuta, or Melilla.

Shipping Times:

  • Spain (Peninsula): 2–4 business days
  • Balearic Islands: 3–5 business days
  • EU countries: 3–7 business days depending on destination

Shipping Costs:

Shipping costs are calculated automatically at checkout based on destination and weight.

Free shipping may be offered for qualifying orders, as specified on our website.

Order Processing:

Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.

Delivery Issues:

If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.

Return & Withdrawal Policy

Right of Withdrawal:

In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.

To exercise this right, contact us via email or through our website, providing your order number and contact details.

Return Conditions:

  • Products must be unused, in original condition and packaging.
  • Return shipping costs are the responsibility of the customer, unless the product is defective or sent in error.
  • Refunds will be issued within 14 days of receiving the returned goods.

Items Excluded from Return:

  • Custom or personalized products
  • Sealed items that were unsealed after delivery and are unsuitable for return due to hygiene (e.g. cosmetics, personal care)
  • Digital content delivered electronically once download or streaming has begun

If you want to return an item, please contact us first to give you detailed instructions.

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

Manufacturer Model Family Year Notes
Harley Davidson Dyna Switchback Dyna 2012
Harley Davidson Dyna Switchback Dyna 2013
Harley Davidson Dyna Switchback Dyna 2012
Harley Davidson Dyna Switchback Dyna 2013
Harley Davidson Dyna Switchback Dyna 2014
Harley Davidson Dyna Switchback Dyna 2015
Harley Davidson Dyna Switchback Dyna 2016
Harley Davidson Dyna Super Glide Dyna 2007
Harley Davidson Dyna Super Glide Dyna 2008
Harley Davidson Dyna Super Glide Dyna 2009
Harley Davidson Dyna Super Glide Dyna 2010
Harley Davidson Dyna Street Bob Dyna 2007
Harley Davidson Dyna Street Bob Dyna 2008
Harley Davidson Dyna Street Bob Dyna 2009
Harley Davidson Dyna Street Bob Dyna 2010
Harley Davidson Dyna Street Bob Dyna 2011
Harley Davidson Dyna Street Bob Dyna 2012
Harley Davidson Dyna Street Bob Dyna 2013
Harley Davidson Dyna Street Bob Dyna 2012
Harley Davidson Dyna Street Bob Dyna 2013
Harley Davidson Dyna Street Bob Dyna 2014
Harley Davidson Dyna Street Bob Dyna 2015
Harley Davidson Dyna Street Bob Dyna 2016
Harley Davidson Dyna Street Bob Dyna 2017
Harley Davidson Dyna Street Bob Dyna 2014
Harley Davidson Dyna Street Bob Dyna 2015
Harley Davidson Dyna Street Bob Dyna 2016
Harley Davidson Dyna Street Bob Dyna 2017
Harley Davidson Dyna Street Bob Limited Dyna 2013
Harley Davidson Dyna Street Bob Limited Dyna 2013
Harley Davidson Dyna Street Bob Limited Dyna 2013
Harley Davidson Dyna Street Bob Limited Dyna 2013
Harley Davidson Dyna Street Bob Special Dyna 2014
Harley Davidson Dyna Street Bob Special Dyna 2015
Harley Davidson Dyna Street Bob Special Dyna 2014
Harley Davidson Dyna Street Bob Special Dyna 2015
Harley Davidson Dyna Street Bob Limited Dyna 2016
Harley Davidson Dyna Street Bob Limited Dyna 2016
Harley Davidson Dyna Street Bob Dyna 2006
Harley Davidson Dyna Street Bob Factory Custom Dyna 2013
Harley Davidson Dyna Street Bob Factory Custom Dyna 2014
Harley Davidson Dyna Street Bob Factory Custom Dyna 2015
Harley Davidson Dyna Street Bob Factory Custom Dyna 2016
Harley Davidson Dyna Street Bob Factory Custom Dyna 2013
Harley Davidson Dyna Street Bob Factory Custom Dyna 2014
Harley Davidson Dyna Street Bob Factory Custom Dyna 2015
Harley Davidson Dyna Street Bob Factory Custom Dyna 2016
Harley Davidson Dyna Super Glide Custom Dyna 2007
Harley Davidson Dyna Super Glide Custom Dyna 2008
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 2012
Harley Davidson Dyna Super Glide Custom Dyna 2013
Harley Davidson Dyna Super Glide Custom Dyna 2014
Harley Davidson Dyna Super Glide Custom Dyna 2014
Harley Davidson Dyna Super Glide Custom Dyna 2006
Harley Davidson Dyna Fat Bob Dyna 2008
Harley Davidson Dyna Fat Bob Dyna 2009
Harley Davidson Dyna Fat Bob Dyna 2010
Harley Davidson Dyna Fat Bob Dyna 2011
Harley Davidson Dyna Fat Bob Dyna 2012
Harley Davidson Dyna Fat Bob Dyna 2012
Harley Davidson Dyna Fat Bob Dyna 2013
Harley Davidson Dyna Fat Bob Dyna 2014
Harley Davidson Dyna Fat Bob Dyna 2015
Harley Davidson Dyna Fat Bob Dyna 2016
Harley Davidson Dyna Fat Bob Dyna 2017
Harley Davidson Dyna Fat Bob Dyna 2012
Harley Davidson Dyna Fat Bob Dyna 2013
Harley Davidson Dyna Fat Bob Dyna 2014
Harley Davidson Dyna Fat Bob Dyna 2015
Harley Davidson Dyna Fat Bob Dyna 2016
Harley Davidson Dyna Fat Bob Dyna 2017
Harley Davidson Dyna Fat Bob CVO CVO 2009
Harley Davidson Dyna Fat Bob CVO CVO 2010
Harley Davidson Dyna Super Glide Dyna 2006
Harley Davidson Dyna Super Glide 35th Anniversary Dyna 2006
Harley Davidson Dyna Low Rider Dyna 2007
Harley Davidson Dyna Low Rider Dyna 2008
Harley Davidson Dyna Low Rider Dyna 2009
Harley Davidson Dyna Low Rider Dyna 2014
Harley Davidson Dyna Low Rider Dyna 2015
Harley Davidson Dyna Low Rider Dyna 2016
Harley Davidson Dyna Low Rider Dyna 2017
Harley Davidson Dyna Low Rider Dyna 2014
Harley Davidson Dyna Low Rider Dyna 2015
Harley Davidson Dyna Low Rider Dyna 2016
Harley Davidson Dyna Low Rider Dyna 2017
Harley Davidson Dyna Low Rider Dyna 2006
Harley Davidson Dyna Low Rider S Dyna 2016
Harley Davidson Dyna Low Rider S Dyna 2017
Harley Davidson Dyna Screamin Eagle CVO 2007
Harley Davidson Dyna Screamin Eagle CVO 2008
Harley Davidson Dyna Wide Glide Dyna 2007
Harley Davidson Dyna Wide Glide 105th Anniversary Dyna 2008
Harley Davidson Dyna Wide Glide Dyna 2010
Harley Davidson Dyna Wide Glide Dyna 2011
Harley Davidson Dyna Wide Glide Dyna 2012
Harley Davidson Dyna Wide Glide Dyna 2012
Harley Davidson Dyna Wide Glide Dyna 2013
Harley Davidson Dyna Wide Glide Dyna 2012
Harley Davidson Dyna Wide Glide Dyna 2013
Harley Davidson Dyna Wide Glide Dyna 2014
Harley Davidson Dyna Wide Glide Dyna 2015
Harley Davidson Dyna Wide Glide Dyna 2016
Harley Davidson Dyna Wide Glide Dyna 2017
Harley Davidson Dyna Wide Glide Dyna 2006