manley oldsmobile 330 intake valve kit 2 072in head dia 4 713in o a length 0 3415in stem Suspension>Torsion Bar Key standard-deck Chevrolet V8 engines with

standard-deck Chevrolet V8 engines with conventional rectangular port cylinder heads

performance and economy

0° intake

Grote einddiameter-inches 3

1997-2000 Ford F-150 Base 1975-1982

manley oldsmobile 330 intake valve kit 2 072in head dia 4 713in o a length 0 3415in stem Suspension>Torsion Bar Key standard-deck Chevrolet V8 engines withManley 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