Description: This Manley extreme duty series performance valve set is a great choice for supercharged alcohol-burning or high revving engines. These engines generate a lot of heat and require special valves that can handle that kind of punishment. The valves are made from the best stainless steel available with chrome stems and hardened valve tips. The extreme duty series valves are(more)
Description: This Manley extreme duty series performance valve set is a great choice for supercharged alcohol-burning or high revving engines. These engines generate a lot of heat and require special valves that can handle that kind of punishment. The valves are made from the best stainless steel available with chrome stems and hardened valve tips. The extreme duty series valves are swirl-polished and fully machined and come with straight stems.(minimize)
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®.
