124" Power Package Engine Performance Kit — 124"

S&S CYCLE 124" Power Package Engine Performance Kit — 124"

S&S CYCLE
0904-0056
310-1051A
The 124" Power Package Engine Performance Kit is designed to enhance your Harley-Davidson's performance by transforming a 107" engine to a powerful 124" with easy installation and no case machining required.
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€2,358.41
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.

124" Power Package Engine Performance Kit

Unlock the full potential of your Harley-Davidson with the 124" Power Package Engine Performance Kit. Proudly made in the U.S.A., this comprehensive Big Bore Kit transforms your 107" engine to a powerful 124" with ease and precision.

  • Bolt-on kit: Easy installation with no case machining required.
  • Forged pistons: Enhance durability and performance with an 11.1 compression ratio.
  • Oil Pump/Cam Plate: Precision machined from billet aluminum with a striking blue anodized finish.
  • Advanced scavenging: Features independent scavenge sections, debris screens, and a magnet in the cam chest to protect your engine.
  • Quickee pushrods: Designed for efficient operation and ease of adjustment.
  • S&S precision tappets: Hard anodized construction for improved stability under high lift and RPM.
  • High-performance cam: S&S 550 cam specifically designed for big bore applications, enhancing your bike's capabilities.

Note: Not recommended for Tri-Glide or other three-wheel models due to their lugging nature.

: 0904-0056
In Stock

Data sheet

Riding Style
Street
Type
Engine
Units
Kit
Color/Finish
Highlighted Fins
Wrinkle Black
Style
Big Bore
Bore Size Imperial
4.250"
Compression Ratio Imperial
11.0:1
Displacement
124"
Cooling System
Oil Cooled
Water Cooled
Cam Drive Type
Gear

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.