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.

Whether you’re looking to add some extra power to your bike with NOS or boost, these forged pistons are up to the task. They are compatible with a wide range of Harley Davidson models, including the FLHT Electra Glide, FLSTF Softail Fat Boy, and FXDWG Dyna Wide Glide, among many others. The coated skirts on all Twin Cam and Sportster applications provide additional protection and longevity to the pistons, ensuring they will withstand the rigors of high-performance riding.

With a compression ratio of 10.5:1 and a .020 oversize, these forged pistons are designed to deliver optimal performance and reliability. Whether you’re hitting the open road or tearing up the track, you can trust KB forged pistons to provide the power and durability you need to take your ride to the next level. Upgrade your Harley Davidson with these top-of-the-line pistons and experience the difference in performance and reliability that only KB can deliver.

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.