2007-2014 GT500 MMR Extreme Duty, Hi Flow,Stainless steel valves


MMR GT 500 Extreme Duty, Hi Flow , Stainless steel valves (GT500 specific) MMR is the only production manufacturer of aftermarket GT500 stainless steel valves. Tested by team MMR beyond 3000HP and 10,000RPM! Kit includes 16 Intake and 16 exhaust. They are a direct replacement for the factory valves and are 1mm oversize for increased flow and HP. Aerospace grade stainless steel construction. (does not fit non GT500 heads)

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  • Model: 400233
  • Manufactured by: MMR

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