Zoom Factory makes a range of high performance Stainless Steel Valves and Spring Kits for use in modern four-stroke motocross and enduro bikes and quads.

The valves are manufactured in England, are one piece forged and pulse plasma nitride hardened, to produce a valve that is light, strong and very durable. They are supplied in inlet and exhaust kits, including springs that are designed to complement the steel valves.