Enhance your LS engine's performance and durability with Michigan Motorsports' 1.550" Inconel exhaust valves. Crafted from high-temperature-resistant Inconel alloy, these valves are designed to withstand the extreme conditions of high-performance and forced induction applications. Compatible with cathedral port LS cylinder heads, including castings 243, 799, 706, 862, 317, 241, 853, and 806, they are suitable for a range of engines such as LS1, LS2, LS6, LQ4, LQ9, LC9, LMG, and LM7. Available individually for custom replacements or in sets of eight for complete engine overhauls, these valves are an ideal choice for those seeking reliability and performance in demanding environments.