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.
Features:
- 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.
- Suited for Street or Race applications with power adders such as NOS or boost.
- All Twin Cam and Sportster application feature coated skirts.
- Replacement rings are special order.
- Wrist pins and Wrist Pin Locks are sold EACH (you will need to order 2 locks per piston)Pistons sold as a PAIR.
- All Rings, Wrist Pins and Wrist Pin Locks included with pistons.
