The Cast Pistons Shovel 88 89ci .040 is a high-quality product designed for Harley Davidson motorcycles, specifically fitting a wide range of models from 1980 to 1984. Crafted with KB Hypereutectic alloy, these pistons are cast with a 16% high silicon content, providing exceptional thermal barrier properties and a low thermal expansion rate. This unique composition allows for tight piston to cylinder wall clearances, making them ideal for air-cooled engines.

One of the key features of these pistons is their ability to offer optimal ring seal, resulting in quieter engine running and reduced wear. This is crucial for maintaining the longevity and performance of your motorcycle engine. Additionally, the Hypereutectic alloy is best suited for stock or mild compression ratios up to 10.5:1, making them perfect for engines running on pump fuel.

The Cast Pistons Shovel 88 89ci .040 is a reliable and durable choice for motorcycle enthusiasts looking to upgrade their engine components. With its high-quality construction and precise engineering, these pistons are sure to enhance the overall performance of your Harley Davidson bike.

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.