Product Information
- Michigan Motorsports 1.550" Stock Replacement LS Exhaust Valves
- Fits 1997-2013 Cathedral Port LS Heads. Also Fits Casting Numbers 243 799 706 862 317 241 853 806
- Choose Single or Set of 8 Exhaust Valves
- Michigan Motorsports' standard replacement valves are an affordable option to freshen up your stock or mild performance LS engine. These valves are designed to be a direct drop-in replacement for the factory 1.55" Exhaust valves on the applications listed above and below.
- For higher performance and racing applications, be sure to check out our stainless valve options!
