124" Power Package Engine Performance Kit

S&S CYCLE 124" Power Package Engine Performance Kit

S&S CYCLE
0904-0058
310-1053A
Unlock peak performance with the 124" Power Package Engine Performance Kit, designed for Harley-Davidson enthusiasts looking to elevate their ride from 107" to 124". This kit includes precision-engineered components and is proudly made in the U.S.A.
Hurry! only 2 items left in stock.
€2,408.58
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.

Enhance Your Ride with the 124" Power Package Engine Performance Kit

Unleash the full potential of your Harley-Davidson with our top-of-the-line 124" Power Package Engine Performance Kit. Proudly manufactured in the U.S.A., this big bore kit is designed to take your engine from 107" to a powerful 124" without the need for case matching.

  • Forged Pistons: Enjoy durability and reliability with an 11:1 compression ratio.
  • Precision Engineering: Each component is precision machined from billet aluminum, offering a blue anodized finish that not only looks great but also resists wear.
  • Innovative Design: Features independent scavenge sections for optimal performance, along with removable passage plugs for easy servicing.
  • Fuel Efficiency: Enhanced flow capacity on both feed and scavenge sides ensures efficient oil circulation.
  • Adjustable Pressure Relief Valve: Easily adjust the pressure relief valve while the unit is installed in the engine.
  • Quikee Pushrods & S&S Tappets: Designed for high lift and high RPM situations, ensuring stability and performance.
  • High Performance Cam: The S&S 550 cam is specifically designed for big bore applications, maximizing your bike's capability.

Note: S&S does not recommend compression ratios higher than 10:1 for Tri Glide® or other three-wheel models due to potential damage from detonation.

: 0904-0058
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
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.