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At PowerBore we are a U.S. manufacturer of high-performance cylinder sleeves. We specialize in producing precision sleeves and liners for performance engines, engine builders and machine shops.
We do not offer engine repair, machining services, or installation.
Frequently Asked Questions About PowerBore Cylinder Sleeves
PowerBore cylinder sleeves are manufactured and machined in Salem, Ohio, USA.
PowerBore operates as a division of Quaker City Castings and produces sleeves for customers across the automotive, diesel, racing, and industrial markets.
PowerBore manufactures sleeves for many engine platforms, including:
- Caterpillar
- Coyote
- Cummins
- Detroit Diesel
- John Deere
- Ford engines
- Chevy small-block and big-block engines
- Honda engines
- Case IH engines
Custom applications can also be manufactured for unique or specialty engines.
Yes. Both individuals and businesses can request quotes for cylinder sleeves.
However, installation typically requires specialized machining and engine rebuilding experience, so sleeves are most often installed by professional engine builders or machine shops.
Yes. At PowerBore we can manufacture custom cylinder sleeves for engines that require specific dimensions or materials.
Customers can submit sleeve dimensions using a blueprint or drawing, and our PowerBore team can provide a quote and estimated delivery timeline.
This allows engine builders to source sleeves for rare, modified, or high-performance engine applications.
PowerBore is unique because we control our entire manufacturing process in-house all right here in the USA.
As a division of Quaker City Castings, PowerBore:
- Pours its own metal in an in-house foundry
- Heat treats the material internally
- Machines each sleeve to precise specifications
This vertical integration allows PowerBore to maintain strict quality control and consistent material properties from raw metal to finished sleeve.
PowerBore sleeves are used across a wide range of engines and industries, including:
- Automotive performance engines
- Diesel truck engines
- Tractor pulling engines
- Drag racing engines
- Farming and agricultural engines
These sleeves are designed for applications where high strength, durability, and performance are critical.
Cylinder sleeves are used for several reasons:
• To extend the lifespan of an engine
• To repair worn or damaged cylinder bores
• To restore the original bore size after machining
• To reinforce engine blocks in high-performance applications
• To increase engine displacement through overboring
Sleeves are particularly common in diesel engines, racing engines, and high-performance builds where cylinder pressure and heat levels are extreme.
A cylinder sleeve (also called a cylinder liner or engine sleeve) is a precision-machined cylindrical component that fits inside an engine block’s cylinder bore. Its purpose is to provide a durable surface for the piston to travel against and to protect or restore the cylinder bore.
Cylinder sleeves are commonly used when rebuilding engines, repairing worn cylinders, or reinforcing engines that will operate under high stress or high horsepower conditions.
No. At PowerBore we are a U.S. manufacturer of high-performance cylinder sleeves and we do not provide engine repair, machining, or installation services.
Our products are typically purchased by engine builders, automotive machine shops, and performance engine specialists who install the sleeves during engine rebuilding or performance upgrades.
If you are looking for engine repair or installation services, you can order our cylinder sleeves and then contact a local engine builder or machine shop for installation.