Description:
Race valves for your performance engine.
Manley Severe Duty Series performance valves are a great choice for your high-performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts, XH-428), with chrome stems and hardened valve tips. Severe Duty Series valves are made of superior materials, are fully machined and swirl polished, and are available with either(more)
Description:
Race valves for your performance engine.
Manley Severe Duty Series performance valves are a great choice for your high-performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts, XH-428), with chrome stems and hardened valve tips. Severe Duty Series valves are made of superior materials, are fully machined and swirl polished, and are available with either undercut "Pro Flo" stems or straight stems.
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Manley Performance enters 2006, our 40th year anniversary, with a great deal of enthusiasm. Our Gen II stainless steel blank valve program revolutionized the custom valve market and has continued to expand in order to meet our customers\' vast needs. We\'ve developed new valve spring part numbers for both endurance and drag race applications to compliment the absolute best line of premium valve springs in the industry - Manley NexTek®.
