Manley Valve - Exhaust, Valve-S/D 1.600,+.500 ford f150 Made in the USA

Made in the USA

Constructed from strong aluminum with Teflon-lined rod ends for smooth articulation

QA1 offers stock mount aluminum adjustable shocks for 55-57 Chevy Full-Size and 97-04 Ford F150s

taking only about an hour and requiring no drilling

Manley Valve - Exhaust, Valve-S/D 1.600,+.500 ford f150 Made in the USAManley 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