The KB forged pistons are a high-quality product designed to enhance the performance of your Harley Davidson motorcycle. Made from 4032 forged alloy with an 11% silicon content, these pistons are formed in a forging press and then fully machined to ensure precision and durability. The material and manufacturing process used in creating these pistons give them superior crack resistance under detonation or pre-ignition, making them ideal for both street and race applications.

One of the key features of these pistons is their compatibility with power adders such as NOS or boost, allowing you to push your motorcycle to its limits without compromising on performance. Additionally, all Twin Cam and Sportster applications feature coated skirts, further enhancing the durability and longevity of the pistons.

With a compression ratio of 9.25:1 and a .010 oversize, these forged pistons are designed to deliver optimal performance and power output for your Harley Davidson motorcycle. Whether you’re looking to upgrade your bike for street riding or take it to the track for some high-speed action, these pistons are sure to meet your needs.

Overall, the KB forged pistons offer a combination of quality craftsmanship, superior materials, and high performance, making them a valuable investment for any Harley Davidson enthusiast looking to take their motorcycle to the next level.

KB forged pistons are made from 4032 forged alloy with an 11% silicon content, formed in a forging press and then fully machined. Due to the material and manufacturing process these pistons have superior crack resistance under detonation or pre-ignition. They are suited for Street or Race applications with power adders such as NOS or boost. All Twin Cam and Sportster application feature coated skirts.