The new Speedwerx Billet Exhaust Valves are machined out of 7075 aluminum and teflon plated to help prevent carbon buildup. Speedwerx valves are lighter than stock (stock 800 Valve = .40 lb/Stock 1000 Valve = .45 lb/Speedwerx valves = .15 lb) and are also easier to grind and match to ported cylinders. An added bonus is that they are also less expensive than the OEM valves.
The Arctic Cat 2007-09 800cc Speedwerx valves are $109.95 as are the Cat 2007-09 1000cc valves.
Contact Speedwerx (651) 982-6020 or www.speedwerx.com.