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 with power adders such as NOS or boost.

One of the key features of these pistons is their versatility, as they are compatible with a wide range of Harley Davidson models from 1999 to 2007, including popular models like the Electra Glide, Road King, Dyna Super Glide, and Softail Fat Boy. This compatibility ensures that you can easily upgrade your motorcycle’s engine with these high-performance pistons.

In addition to their superior crack resistance, these pistons also feature coated skirts for added durability and longevity. This coating helps reduce friction and wear, ensuring that your pistons will continue to perform at their best for years to come. Whether you’re looking to boost the power of your street bike or take your race bike to the next level, these KB forged pistons are a reliable and high-quality choice.

Overall, the KB forged pistons offer exceptional performance, durability, and compatibility, making them a valuable investment for any Harley Davidson enthusiast looking to upgrade their motorcycle’s engine. With their superior crack resistance, coated skirts, and wide range of fitment options, these pistons are sure to enhance the performance and reliability of your bike for years to come. Add 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.