Manley Valve - Exhaust, Valve-S/D 1.600,+.100 1986-chevrolet-camaro-esi7993233 guaranteeing a perfect match in

guaranteeing a perfect match in your engine bay

Flowmaster's unique

Quieter in the cab than any other Performance Exhaust

The benefit of a Hall-effect pickup is there is no retard

Manley Valve - Exhaust, Valve-S/D 1.600,+.100 1986-chevrolet-camaro-esi7993233 guaranteeing a perfect match inManley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just