Bigger valves move more air, but the cylinder head must be machined to accept them. Intakes are EV-8 stainless and exhausts are inconel IN-751, with redesigned heads and hard-chromed stems.
Lighter and stronger than stock, torture tested at 9800 RPM.
- Fits 2004-2012 RXP, RXT, RXP-X, RXT-X
- +1mm intake, +2mm exhaust
- Head machining required
- Stainless intakes, inconel exhausts