Manley Titanium Exhaust Valve Kit - Small Block Chevrolet - All Pro

Starting with the material itself, Manley uses exceptional titanium alloys for these exhaust valves, carefully chosen to balance hardness, ductility, and fatigue strength at the high temperatures your engine can reach. This isn't just about being light; it's about creating a valve that can handle the stress of serious performance builds, especially those pushing for higher engine speeds.

These valves are built using a one-piece forged construction, which means they have a continuous grain flow for added durability and fewer potential weak spots compared to valves made with head-welding. They're then meticulously machined in advanced CNC centers to very tight tolerances, ensuring they perform exactly as they should. The 'HT' in the part number means they're made with high-temperature material, perfect for extended high-rpm applications where heat is a major factor. You'll also find they have inserted hard tips and Manley's Bead Loc keeper groove, which helps keep everything secure.

This kit includes a set of 8 exhaust valves, each weighing around 75 grams, with a head diameter of 1.600 inches and a stem diameter of 0.3110 inches. They measure 6.090 inches overall in length. Manley puts each valve through a strict final inspection to make sure you're getting a reliable, high-performance part for your Small Block Chevrolet build.