PowerBore Cylinder Sleeves

PowerBore Cylinder Sleeves PowerBore Cylinder Sleeves makes high performance cylinder sleeves for all engines, including tracto Extreme conditions demand extreme materials.

Powerbore: A Leader in Custom and OEM Cylinder Sleeves

Located in Salem, Ohio, Powerbore—a division of Quaker City Castings—manufactures custom and OEM cylinder sleeves for a broad range of engine applications. Whether your needs are standard, or high-demand, such truck and tractor pulling, or marine, street, cycle and other types of drag racing, strong, well-built, precisely-manufactured cylind

er sleeves are of paramount importance. At Powerbore, we believe in taking a centralized, American-made approach, which starts with our own nearby foundry—in fact, it’s located right across the street! Having a foundry of our own means not importing materials (and as such, avoiding the risk of contamination, incorrect composition, and poor quality control), instead allowing us to cast and machine every sleeve we sell. Many manufacturers provide cylinder sleeves in a limited range of materials, which may be less than appropriate for highly demanding applications. Powerbore cylinder sleeves maximize the potential of any project: We can cast nearly any ferrous material found in the comprehensive ASTM (American Society for Testing and Materials) manual— and even custom-cast materials of your own design. If you require a sleeve in non-standard dimensions, we can help—custom cylinder sleeves are our specialty. Powerbore utilizes a number of materials—but for truck and tractor pullers, drag racers, and other “power users”, we proudly offer and most highly recommend Power Ductile™—our proprietary ductile iron, whose mechanical properties significantly outperform those of industry standard 100-70-03 ductile iron. Power Ductile™ is up to any task you can put it to. It’s time to make the most of your engine applications. Choose Powerbore, where strength, quality and precision is built into everything we do. Visit http://powerbore.com/, or call (330) 332-2421 today!

🇺🇸 𝗦𝗲𝗲 𝗬𝗼𝘂 𝗮𝘁 𝘁𝗵𝗲 𝗣𝗮𝗿𝗮𝗱𝗲! The PowerBore motorhome will be in Salem's Fourth of July Parade on July 3rd. If you're planni...
06/05/2026

🇺🇸 𝗦𝗲𝗲 𝗬𝗼𝘂 𝗮𝘁 𝘁𝗵𝗲 𝗣𝗮𝗿𝗮𝗱𝗲!

The PowerBore motorhome will be in Salem's Fourth of July Parade on July 3rd.

If you're planning on being there, keep an eye out for us and give us a wave as we go by.

Have a safe and happy Fourth of July weekend.

See you there.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

⚙️ 𝗪𝗵𝘆 𝗗𝗼 𝗘𝗻𝗴𝗶𝗻𝗲 𝗕𝘂𝗶𝗹𝗱𝗲𝗿𝘀 𝗢𝘃𝗲𝗿𝗯𝗼𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝘀? One of the most common machining operations during an engine rebuild is over...
06/04/2026

⚙️ 𝗪𝗵𝘆 𝗗𝗼 𝗘𝗻𝗴𝗶𝗻𝗲 𝗕𝘂𝗶𝗹𝗱𝗲𝗿𝘀 𝗢𝘃𝗲𝗿𝗯𝗼𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝘀?

One of the most common machining operations during an engine rebuild is overboring.

Overboring removes material from the cylinder wall to clean up wear, damage, or imperfections that have developed over time.

In some cases, builders also overbore an engine to increase displacement and create additional power potential.

However, there is a limit to how much material can safely be removed from the cylinder wall.

That is why many builders turn to cylinder sleeves. Sleeves can restore damaged cylinders, support larger bore sizes, and help create a stronger foundation for the build.

The goal is not just making power. It is making power reliably.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

⚙️ 𝗪𝗵𝘆 𝗦𝗼𝗺𝗲 𝗕𝘂𝗶𝗹𝗱𝗲𝗿𝘀 𝗢𝗻𝗹𝘆 𝗡𝗲𝗲𝗱 𝗢𝗻𝗲 𝗦𝗹𝗲𝗲𝘃𝗲 One thing we see quite often is customers looking for a single cylinder sleeve...
06/03/2026

⚙️ 𝗪𝗵𝘆 𝗦𝗼𝗺𝗲 𝗕𝘂𝗶𝗹𝗱𝗲𝗿𝘀 𝗢𝗻𝗹𝘆 𝗡𝗲𝗲𝗱 𝗢𝗻𝗲 𝗦𝗹𝗲𝗲𝘃𝗲

One thing we see quite often is customers looking for a single cylinder sleeve rather than a full set.

In many cases, only one cylinder has been damaged while the rest of the block remains in good condition.

That can happen for a number of reasons. A cooling issue may affect one area of the engine more than another. An injector problem can cause one cylinder to run hotter. A broken piston, failed ring, or foreign debris can also damage a specific cylinder while leaving the others untouched.

Over time, those issues can lead to scoring, excessive wear, or even cracking in a single cylinder.

When that happens, builders may choose to repair the affected cylinder rather than sleeve the entire block.

Every engine tells a different story, which is why there is rarely a one-size-fits-all solution.

Sometimes one sleeve is all it takes to get an engine back to work.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

🔥 𝟴,𝟬𝟬𝟬 𝗣𝗦𝗜 𝗜𝗻𝘀𝗶𝗱𝗲 𝘁𝗵𝗲 𝗖𝘆𝗹𝗶𝗻𝗱𝗲𝗿 Modern performance diesel engines are operating under absolutely extreme conditions. Acc...
05/29/2026

🔥 𝟴,𝟬𝟬𝟬 𝗣𝗦𝗜 𝗜𝗻𝘀𝗶𝗱𝗲 𝘁𝗵𝗲 𝗖𝘆𝗹𝗶𝗻𝗱𝗲𝗿

Modern performance diesel engines are operating under absolutely extreme conditions.

According to performance engine sources, cylinder pressures in high-performance diesel applications can exceed 8,000 PSI during combustion. On a 4-inch bore, that can translate to roughly 45,000 pounds of force pushing against the piston and cylinder area.

That pressure is happening over and over again, every single cycle.

It is one of the biggest reasons diesel performance engines require such strong internal components and why cylinder stability matters so much at higher power levels.

As boost, fueling, and tuning increase, so does the stress placed on the cylinder walls.

That is why serious builds focus on more than horsepower numbers alone. The foundation inside the engine has to be capable of handling the load.

When engines are pushed this hard, every component inside the cylinder matters.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

🏁 𝗖𝗮𝗻 𝗖𝘆𝗹𝗶𝗻𝗱𝗲𝗿 𝗦𝗹𝗲𝗲𝘃𝗲𝘀 𝗣𝗿𝗲𝘃𝗲𝗻𝘁 𝗘𝗻𝗴𝗶𝗻𝗲 𝗙𝗮𝗶𝗹𝘂𝗿𝗲 𝗶𝗻 𝗛𝗶𝗴𝗵-𝗕𝗼𝗼𝘀𝘁 𝗕𝘂𝗶𝗹𝗱𝘀? High-boost engines create incredible power, but they...
05/27/2026

🏁 𝗖𝗮𝗻 𝗖𝘆𝗹𝗶𝗻𝗱𝗲𝗿 𝗦𝗹𝗲𝗲𝘃𝗲𝘀 𝗣𝗿𝗲𝘃𝗲𝗻𝘁 𝗘𝗻𝗴𝗶𝗻𝗲 𝗙𝗮𝗶𝗹𝘂𝗿𝗲 𝗶𝗻 𝗛𝗶𝗴𝗵-𝗕𝗼𝗼𝘀𝘁 𝗕𝘂𝗶𝗹𝗱𝘀?

High-boost engines create incredible power, but they also create incredible stress inside the cylinder.

As boost pressure increases, so does combustion pressure. That force is constantly pushing against the cylinder walls during every firing cycle.

At a certain point, factory cylinder walls can become a weak point in the build.

That is where cylinder sleeves come into the conversation.

Upgraded sleeves help reinforce the cylinder area, maintain stability under pressure, and support the engine under extreme load conditions. In many high-performance builds, they become part of building an engine that can reliably handle increased boost and horsepower over time.

That does not mean sleeves magically make an engine indestructible. Proper tuning, machining, cooling, and overall build quality still matter. But strengthening the foundation inside the cylinder can play a major role in improving durability and reducing the risk of failure in demanding applications.

For serious boosted builds, the conversation is often not just about making power. It is about keeping the engine together while doing it.

𝗟𝗲𝗮𝗿𝗻 𝗺𝗼𝗿𝗲 𝗶𝗻 𝗼𝘂𝗿 𝗹𝗮𝘁𝗲𝘀𝘁 𝗯𝗹𝗼𝗴:
https://powerbore.com/engine-failure-high-boost-builds/

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

Modern performance engines are capable of producing incredible power. Advances in turbocharging, supercharger technology, fuel systems, and engine management have made it possible for enthusiasts to push factory platforms far beyond their original horsepower ratings. But as boost pressure rises, so....

🇺🇸 This 𝗠𝗲𝗺𝗼𝗿𝗶𝗮𝗹 𝗗𝗮𝘆, we remember and honor the men and women who gave their lives in service to our country.  Their sac...
05/25/2026

🇺🇸 This 𝗠𝗲𝗺𝗼𝗿𝗶𝗮𝗹 𝗗𝗮𝘆, we remember and honor the men and women who gave their lives in service to our country.

Their sacrifice made the freedoms we enjoy today possible, and that should never be forgotten.

From all of us at PowerBore, thank you to those who served and to the families who continue to carry their legacy.

We hope everyone has a safe Memorial Day.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

🏁 𝗟𝗲𝘁’𝘀 𝗦𝗲𝗲 𝗧𝗵𝗲𝗺Everybody has that one vehicle they would never get rid of.Could be a race truck, a street car, a pullin...
05/22/2026

🏁 𝗟𝗲𝘁’𝘀 𝗦𝗲𝗲 𝗧𝗵𝗲𝗺

Everybody has that one vehicle they would never get rid of.

Could be a race truck, a street car, a pulling truck, a farm truck, or something you have spent years building.

What is your favorite vehicle you own or have ever owned?

👇 Drop a picture in the comments.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

🏁 𝗦𝗲𝗿𝗶𝗼𝘂𝘀 𝗕𝘂𝗶𝗹𝗱𝘀 𝗡𝗲𝗲𝗱 𝗦𝗲𝗿𝗶𝗼𝘂𝘀 𝗦𝗹𝗲𝗲𝘃𝗲𝘀If you are pushing horsepower, boost, RPM, or load, stock components stop being eno...
05/21/2026

🏁 𝗦𝗲𝗿𝗶𝗼𝘂𝘀 𝗕𝘂𝗶𝗹𝗱𝘀 𝗡𝗲𝗲𝗱 𝗦𝗲𝗿𝗶𝗼𝘂𝘀 𝗦𝗹𝗲𝗲𝘃𝗲𝘀

If you are pushing horsepower, boost, RPM, or load, stock components stop being enough.

That is where PowerBore comes in.

Our cylinder sleeves are built for builders who expect more from their engines. More strength. More stability. More durability under real-world conditions.

Whether it is diesel performance, tractor pulling, racing, or heavy-duty applications, the foundation matters. And inside the cylinder is where that foundation starts.

Do not wait until the weak point shows itself.

Build it to handle the power from the start.

𝗥𝗲𝗾𝘂𝗲𝘀𝘁 𝗮 𝗾𝘂𝗼𝘁𝗲 𝘁𝗼𝗱𝗮𝘆:
https://powerbore.com/request-a-quote/

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

Request A Quote 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, installation, or cylinder sleeves for d...

⚙️ 𝗪𝗵𝗮𝘁 𝗛𝗮𝗽𝗽𝗲𝗻𝘀 𝗗𝘂𝗿𝗶𝗻𝗴 𝗖𝗼𝗺𝗯𝘂𝘀𝘁𝗶𝗼𝗻?Every time an engine fires, a controlled explosion happens inside the cylinder.That co...
05/20/2026

⚙️ 𝗪𝗵𝗮𝘁 𝗛𝗮𝗽𝗽𝗲𝗻𝘀 𝗗𝘂𝗿𝗶𝗻𝗴 𝗖𝗼𝗺𝗯𝘂𝘀𝘁𝗶𝗼𝗻?

Every time an engine fires, a controlled explosion happens inside the cylinder.

That combustion creates massive pressure and heat in a fraction of a second.

The cylinder sleeve is responsible for handling that environment while maintaining shape, sealing, and durability cycle after cycle.

As power increases, so do the forces inside the cylinder.

That is why stability and precision matter so much in high-performance and heavy-duty applications.

A lot happens inside the cylinder in a very short amount of time.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

🏁 𝗖𝗼𝘆𝗼𝘁𝗲 𝗘𝗻𝗴𝗶𝗻𝗲 𝗦𝗹𝗲𝗲𝘃𝗲𝘀 𝗘𝘅𝗽𝗹𝗮𝗶𝗻𝗲𝗱The Ford Coyote engine has become one of the most popular platforms in modern performan...
05/15/2026

🏁 𝗖𝗼𝘆𝗼𝘁𝗲 𝗘𝗻𝗴𝗶𝗻𝗲 𝗦𝗹𝗲𝗲𝘃𝗲𝘀 𝗘𝘅𝗽𝗹𝗮𝗶𝗻𝗲𝗱
The Ford Coyote engine has become one of the most popular platforms in modern performance builds. From street cars to drag racing setups, Coyotes have proven they can make serious power with the right combination of parts and tuning. But as horsepower increases, so do the demands placed on the engine block itself.

⚙️ 𝗪𝗵𝗮𝘁 𝗔𝗿𝗲 𝗖𝗼𝘆𝗼𝘁𝗲 𝗘𝗻𝗴𝗶𝗻𝗲 𝗦𝗹𝗲𝗲𝘃𝗲𝘀?
Cylinder sleeves are the surfaces inside the engine block that the pistons travel within. In performance applications, upgraded sleeves are often installed to reinforce the cylinder area and provide additional strength and stability under higher loads.

As engines make more power, the cylinder walls experience greater combustion pressure, heat, and stress during every cycle. Sleeves help provide the support needed to handle those conditions more reliably.

🔥 𝗪𝗵𝘆 𝗕𝘂𝗶𝗹𝗱𝗲𝗿𝘀 𝗨𝗽𝗴𝗿𝗮𝗱𝗲 𝗖𝗼𝘆𝗼𝘁𝗲 𝗦𝗹𝗲𝗲𝘃𝗲𝘀
Factory Coyote blocks are designed for production vehicles, meaning they are built to balance performance, efficiency, weight, and cost. While they perform extremely well in stock and moderate power applications, aggressive builds begin pushing those factory limitations.

Once boost, RPM, and cylinder pressure increase significantly, builders start looking at ways to strengthen the foundation of the engine itself.

That is where upgraded sleeves become part of the conversation.

🏁 𝗦𝗹𝗲𝗲𝘃𝗲𝘀 𝗶𝗻 𝗛𝗶𝗴𝗵 𝗛𝗼𝗿𝘀𝗲𝗽𝗼𝘄𝗲𝗿 𝗕𝘂𝗶𝗹𝗱𝘀
High horsepower builds create massive pressure inside the cylinder during combustion. That force is constantly pushing against the cylinder walls while heat builds throughout the engine.
As those loads increase, maintaining cylinder stability becomes more important.

Even small amounts of movement or distortion can affect sealing, compression, and long-term reliability. Reinforced sleeve setups help support the cylinder area under those demanding conditions.

🛠️ 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗳𝗼𝗿 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗥𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆
Making horsepower once is one thing. Keeping the engine stable and reliable over time is another.

Proper sleeve design, material quality, machining accuracy, and fitment all play a role in how well the engine performs long term.

For builders pushing the Coyote platform further, cylinder sleeves are often part of building an engine that can handle the demands placed on it.

🌐 PowerBore.com / 📞 330-332-2421 / ✉️ [email protected]

Address

310 East Euclid Avenue
Salem, OH
44460

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Alerts

Be the first to know and let us send you an email when PowerBore Cylinder Sleeves posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The Business

Send a message to PowerBore Cylinder Sleeves:

Share