Manley Valve - Exhaust, Valve-S/D 1.600, .3136 STEM 2010 Ford Mustang SS203051 - 1967 GM A-Body

SS203051 - 1967 GM A-Body UMI Shock/Spring Kit

This 100% bolt-on kit use existing bolt holes and supplied hardware

When choosing desired height

roller cam bearing

die-cast aluminum

Manley Valve - Exhaust, Valve-S/D 1.600, .3136 STEM 2010 Ford Mustang SS203051 - 1967 GM A-BodyManley 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