The KB Hypereutectic alloy pistons are a true marvel in the world of engine performance. With a high silicon content of 16%, these pistons offer exceptional thermal barrier properties and a low thermal expansion rate, making them perfect for air-cooled engines. The tight piston to cylinder wall clearances provided by these pistons ensure optimal ring seal, resulting in quieter engine running and reduced wear over time.

Designed for stock or mild compression ratios up to 10.5:1 running on pump fuel, these pistons are a reliable choice for Harley Davidson motorcycles. The craftsmanship and attention to detail in the casting process ensure that each piston is of the highest quality, providing durability and longevity to your engine.

The KB Hypereutectic alloy pistons are specifically designed to fit a wide range of Harley Davidson models, from the FLHR Road King to the FXDWG Dyna Wide Glide. No matter which model you ride, these pistons will enhance your engine’s performance and reliability, giving you peace of mind on the road.

In conclusion, the KB Hypereutectic alloy pistons are a must-have upgrade for any Harley Davidson enthusiast looking to improve their engine’s performance and longevity. With their high silicon content, thermal barrier properties, and precise fitment for a variety of models, these pistons are a valuable investment for any rider looking to take their motorcycle to the next level.

KB Hypereutectic alloy pistons are cast with a 16% high silicon content that has very high thermal barrier properties along with a low thermal expansion rate, allowing tight piston to cylinder wall clearances. This makes them ideal for air-cooled engines, offering optimal ring seal, quieter engine running, and reduced wear. Hypereutectics are best suited for stock or mild compression ratios up to 10.5:1 running on pump fuel.