MMR Exhaust Valves for 5.2 GT350 & GT500 Cylinder Heads

These Ultra strong exhaust valves are designed for up to 11,000+ rpm and 4000hp. Perfect for Naturally aspirated Road Race vehicles or Turbocharged Pro Mods!No more dropped exhaust valves on performance applications! As used by Team MMR! Features: Plug and Play in 5.2 GT350 and 2020+ GT500 Cylinder heads Single Bead Lock retainer groove Factory Valve size Undercut for improved flow over Factory valves -this means more power! Bead Locks included Qty 16 Included