T124 High Compression Long Block Engine — 124", 4.625" stroke, 10.8:1 compression, T-Series

S&S CYCLE T124 High Compression Long Block Engine — 124", 4.625" stroke, 10.8:1 compression, T-Series – 99-06 Touring, 00-06 Softail, 99-06 Dyna

S&S CYCLE
0901-0243
310-0831A

Long block with high-compression heads, special head machining for stock-length intake manifolds, revised oil routing for ’99–’06 touring models, includes Super Stock heads and 640 gear drive cams. Not compatible with Softail. Made in the U.S.A.

Out of Stock
€8,706.24
€9,013.51
Save €307.27
This product is currently unavailable.
  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 T124 High Compression Long Block Engine delivers race-inspired performance for touring motorcycles. 🚀

Key features:

  • High compression design for improved power and efficiency.
  • Special head machining fits stock-length intake manifolds (S&S manifold size 410).
  • Revised oil routing on ’99–’06 touring models removes the need for an oil line installation kit.
  • Includes Super Stock™ heads, crankcases, TC3 oil pump, cam plate, and easy-start 640 gear drive cams.
  • Breather vent bolt relocated to the stock position so stock-style air cleaner back plates bolt up without modification.
  • Cylinder heads are ’99–’05 style; ’06 models will require ’99–’05 style offset intake flanges.
  • No fuel system or ignition components included.
  • T-series long block is not compatible with Softail models.
  • Made in the U.S.A. 🇺🇸

Installation notes: The cylinder heads are specially machined to compensate for the non-stock cylinder length, maintaining compatibility with stock-length intake runners and the throttle body. For fitment or installation assistance, consult a qualified mechanic.

: 0901-0243
Out of Stock

Data sheet

Type
Long Block
Units
Each
Color/Finish
Black
Base Color
Black
Style
High Compression
Brand
S&S CYCLE
Bore Size
4,125"
Compression Ratio Imperial
10.8:1
Displacement
124"
Piston Head Shape
Flat Top
Stroke Length
4,625"
Compression Ratio
10.8:1
Harley Family
Dyna
Softail
Touring

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.