The KB Hypereutectic alloy pistons are a game-changer for Harley Davidson enthusiasts looking to enhance the performance and durability of their beloved motorcycles. With a high silicon content of 16%, these cast pistons offer exceptional thermal barrier properties and a low thermal expansion rate, allowing for tight piston to cylinder wall clearances. This unique composition makes them perfect for air-cooled engines, providing optimal ring seal, quieter engine operation, and reduced wear over time.

Designed for stock or mildly modified engines with compression ratios up to 10.5:1 running on pump fuel, these pistons are a reliable choice for riders seeking improved performance without sacrificing reliability. The KB Hypereutectic alloy pistons are crafted with precision and attention to detail, ensuring a perfect fit and long-lasting performance.

Whether you’re cruising down the highway on your Harley Davidson FLHT Electra Glide or tearing up the backroads on your FXDWG Dyna Wide Glide, these pistons will deliver the power and efficiency you need. Say goodbye to engine noise and excessive wear, and hello to a smoother, more enjoyable riding experience.

Upgrade your Harley Davidson with the KB Hypereutectic alloy pistons and experience the difference for yourself. Ride with confidence knowing that your engine is equipped with top-of-the-line components that are built to last.

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.