MMR Shelby GT500 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! They are a direct replacement for the factory valves and offer increased flow and HP. Aerospace grade stainless steel construction. (does not fit non GT500 heads)
Fits:
2000 Cobra R
2007-2014 5.4 & 5.8 GT500
Ford GT Supercar 5.4L
Kit includes 16 Intake and 16 exhaust valves
