Big Bore Cylinder Kit — 4.25" bore, 4.5" stroke, 128 cu in, Highlighted Fins

S&S CYCLE Big Bore Cylinder Kit — 4.25" bore, 4.5" stroke, 128 cu in, Highlighted Fins – 18-23 CVO, 18, 22-23 Touring

S&S CYCLE
0931-0876
910-0733

High-performance cylinder kit with premium aluminum cylinders and cast-in iron liners. Easy installation; kit includes pistons, rings and gaskets.

Hurry! only 5 items left in stock.
€1,241.90
€1,560.62
Save €318.72
local_shipping In stock, ships in 2-3 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 Big Bore cylinder kit yields excellent results with stock cylinder heads and is engineered for straightforward installation. 🇺🇸🔧

Most applications require no case boring or splitting; simply swap the cylinders unless otherwise noted. Cylinders are constructed from premium aluminum castings with cast-in iron liners for lasting durability.

  • Kit includes cylinders, pistons, rings and gaskets (head, base and exhaust).
  • Made in the USA.
  • This project requires a skilled technician; it is the assembler's responsibility to check all clearances and assembly specifications.
: 0931-0876
In Stock

Data sheet

Color/Finish
Highlighted Fins, Black Granite
Base Color
Black
Brand
S&S CYCLE
Bore Size
4,250"
Compression Ratio
11.0:1

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 Tri Glide CVO 117 CVO 2022
Harley Davidson Ultra Limited CVO 117 CVO 2019
Harley Davidson Ultra Limited CVO 117 CVO 2020
Harley Davidson Ultra Limited CVO 117 CVO 2021
Harley Davidson Ultra Limited CVO Anniversary 117 Touring 2018
Harley Davidson Street Glide CVO 117 CVO 2018
Harley Davidson Street Glide CVO 117 CVO 2019
Harley Davidson Street Glide CVO 117 CVO 2020
Harley Davidson Street Glide CVO 117 CVO 2021
Harley Davidson Street Glide CVO 117 CVO 2022
Harley Davidson Street Glide ST 117 Touring 2022
Harley Davidson Street Glide ST 117 Touring 2023
Harley Davidson Road Glide Limited CVO 117 CVO 2022
Harley Davidson Road Glide Limited Anniversary CVO 117 CVO 2023
Harley Davidson Road Glide CVO 117 CVO 2018
Harley Davidson Road Glide CVO 117 CVO 2019
Harley Davidson Road Glide CVO 117 CVO 2020
Harley Davidson Road Glide CVO 117 CVO 2021
Harley Davidson Road Glide CVO 117 CVO 2022
Harley Davidson Road Glide ST 117 Touring 2022
Harley Davidson Road Glide ST 117 Touring 2023