
S&S CYCLE M8 Softail Crankcase
In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
We accept many payment methods

In stock items will be shipped within 1-3 days.
You can return the products within 14 days for a full refund, check our returns policy.
Introducing the M8 Softail Crankcase, a solid foundation for your motorcycle tuning needs. This crankcase features a stock deck height and a large volume sump, ensuring optimal performance and reliability. The machined, close-fitting oil scraper enhances oil management, surpassing the capabilities of standard cast options.
Designed for those looking to build a big-bore engine, this crankcase is compatible with larger bore kits and pairs perfectly with the S&S 136" cylinder kit and 4 5/8" stroker crank (sold separately). Proudly made in the USA, it comes with a Manufacturers Statement of Origin (MSO) document for your peace of mind.
Upgrade your Softail with the M8 Crankcase and experience improved oil scraping and reliability, all while fitting seamlessly into the stock Softail frame.
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We do not ship to the Canary Islands, Ceuta, or Melilla.
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.
Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.
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.
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.
If you want to return an item, please contact us first to give you detailed instructions.