Titanium Exhaust Valve. KPMI® has recognized a need for direct O.E.M. replacement valves that meet KPMI® standards for race quality performance and endurance, while also being affordable. To meet this need, KPMI® has a new product line selected from existing or newly developed KPMI® valves for select applications. If you look closely at the KPMI® Tensilite® titanium valves, you will notice the U.S. milled one-piece forged design, precision-ground stems and the CrN PVD coating covering the entire valve. In cases where the O.E.M. uses steel exhaust valves, KPMI® has elected to implement their race-proven line of Black Diamond™ stainless steel exhaust valves, rather than create a new line of valves made from a lesser quality material to match the O.E.M. For your next factory rebuild, upgrade to KPMI® and gain yourself some performance and reliability, while saving yourself some money.