$476.00 USD
$476.00 USD




5150 Xtreme Duty Cylinder Sleeves, also known as cylinder liners, are centrifugally cast, ductile iron cylinder sleeves.
Benefits of Engine Sleeving Include:
- Increased Bore Size: Sleeving your engine gives the opportunity to increase bore size for higher displacement and increased engine capacity, resulting in more power and more torque
- Increased Strength: Iron sleeves are stronger than alusil when subjected to high power, high stress applications, making the cylinder wall much less likely to crack under high performance conditions
- Custom Cylinder Wall Thickness: With the ability to install a thicker cylinder wall, prepare your engine for high performance modifications, including high boost, turbo applications
- Improved Heat Dissipation: By transferring heat more quickly and efficiently, sleeved engines are able to better withstand the higher temperatures associated with high performance applications
- Improved Engine Longevity: By reinforcing critical areas and transferring heat quickly and efficiently, the risk of catastrophic engine failures under high stress applications is greatly reduced
- Compatibility with Performance Modifications: sleeved blocks are better equipped to handle a wide range of high performance modifications such as high compression pistons, forced induction systems, and aggressive cam profiles.
Please note that sleeving an engine block is a complex and precise process that requires the expertise of an experienced machine shop or engine builder.
It's crucial to consult with professionals who are knowledgeable about BMW engine blocks and high-performance engine building to ensure that sleeving is the right choice for your specific goals and requirements.
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$476.00 USD
$476.00 USD
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
For a complete list of chemicals known to cause harm, visit https://www.p65warnings.ca.gov/chemicals.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell, install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB), it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local regulations before purchasing or installing emissions-related products.
All performance, racing, or competition parts sold by this company are intended solely for off-road, closed-course, or competition use on vehicles that are never registered or used on public highways.
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the use of emission-control defeat devices or any modification that violates the Clean Air Act or state regulations.