Kitted sets of intake and exhaust valves designed to match the OE material specifications for drop-in compatibility (no need to reconfigure spring pack from OE specs). Valves are constructed of Tensilite Titanium and Black Diamond Stainless Steel (depending on application). All valves are one-piece forged and designed using Finite Element Analysis (F.E.A.) software. Explicitly designed and engineered for each application to meet and exceed manufactures' specifications. Made in the USA.
