Manley Ford 6.2L 42mm Diameter 5.356in O/A Length Bead Lock Race Master Exhaust Valves (Set of 8) SPECIAL-ORDER Manufacturer Part # : AI4-XTR4

Manufacturer Part # : AI4-XTR4

Manufacturer Part # : 11987CB

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however we do recommend a re-map to ensure the issue is resolved

Manley Ford 6.2L 42mm Diameter 5.356in O/A Length Bead Lock Race Master Exhaust Valves (Set of 8) SPECIAL-ORDER Manufacturer Part # : AI4-XTR4Manufacturer Part # : 11611B 8 Market Description Manley Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM. Features and Benefits Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions. Swirl Polished and