High-Performance Piston Kit — 3.4955 in piston diameter, 10.5:1 compression, 1200 cc displacement

WISECO High-Performance Piston Kit — 3.4955 in piston diameter, 10.5:1 compression, 1200 cc displacement – 04-15 Sportster

WISECO
0903-0583
K1746

Complete top-end piston rebuild kit with X-Ring package and hardware. Made in the USA.

Hurry! only 4 items left in stock.
€264.01
€357.32
Save €93.31
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.

🔧 Forged from high-silicon aluminum alloy for maximum strength and dependability.

Kit includes pistons, rings, retainer clips, and chrome piston pins for a complete top-end rebuild.

The X-Ring package features a 0.062" top ring, a 0.062" compression ring, and a 0.158" oil ring for enhanced sealing and longevity.

Made in the USA to ensure consistent quality and reliable performance.

: 0903-0583
: 4 Items
In Stock

Data sheet

Color/Finish
Aluminum
Brand
WISECO
Bore - Oversize
Standard
Bore Size
3,498"
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 Sportster Custom Sportster 2004
Harley Davidson Sportster Custom Sportster 2005
Harley Davidson Sportster Custom Sportster 2006
Harley Davidson Sportster Custom Sportster 2007
Harley Davidson Sportster Custom Sportster 2008
Harley Davidson Sportster Custom Sportster 2009
Harley Davidson Sportster Custom Sportster 2010
Harley Davidson Sportster Custom Sportster 2011
Harley Davidson Sportster Custom Sportster 2012
Harley Davidson Sportster Custom 110th Anniversary Sportster 2013
Harley Davidson Sportster Custom Sportster 2014
Harley Davidson Sportster Custom Sportster 2015
Harley Davidson Sportster Custom Sportster 2014
Harley Davidson Sportster Custom Sportster 2015
Harley Davidson Sportster Custom LE A Sportster 2014
Harley Davidson Sportster Custom LE A Sportster 2015
Harley Davidson Sportster Custom LE B Sportster 2014
Harley Davidson Sportster Custom LE B Sportster 2015
Harley Davidson Low Sportster 2006
Harley Davidson Low Sportster 2007
Harley Davidson Low Sportster 2008
Harley Davidson Low Sportster 2009
Harley Davidson Low Sportster 2010
Harley Davidson Low Sportster 2011
Harley Davidson Nightster Sportster 2007
Harley Davidson Nightster Sportster 2008
Harley Davidson Nightster Sportster 2009
Harley Davidson Nightster Sportster 2010
Harley Davidson Nightster Sportster 2011
Harley Davidson Nightster Sportster 2012
Harley Davidson Roadster Sportster 2004
Harley Davidson Roadster Sportster 2005
Harley Davidson Roadster Sportster 2006
Harley Davidson Roadster Sportster 2007
Harley Davidson Roadster Sportster 2008
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Seventy-Two Sportster 2012
Harley Davidson Seventy-Two Sportster 2013
Harley Davidson Seventy-Two Sportster 2014
Harley Davidson Seventy-Two Sportster 2015
Harley Davidson Seventy-Two Sportster 2014
Harley Davidson Seventy-Two Sportster 2015
Harley Davidson Forty-Eight Sportster 2010
Harley Davidson Forty-Eight Sportster 2011
Harley Davidson Forty-Eight Sportster 2012
Harley Davidson Forty-Eight Sportster 2013
Harley Davidson Forty-Eight Sportster 2014
Harley Davidson Forty-Eight Sportster 2015
Harley Davidson Forty-Eight Sportster 2014
Harley Davidson Forty-Eight Sportster 2015
Harley Davidson 50th Anniversary Sportster 2007
Harley Davidson Sportster 2008
Harley Davidson Sportster 2009
Harley Davidson Sportster 2010
Harley Davidson Sportster 2011
Harley Davidson Sportster 2012
Harley Davidson Sportster 2013