Feuling Beehive High-Load Valve Springs For Screamin' Eagle Twin Cam Heads

Features:

• Feuling HIGH LOAD premium performance BEEHIVE valve springs handle up to 750 lift camshafts
• These valve springs are made from premium stress relieved conical ovate wire with a nitrided surface heat treatment, shot-peened surface enhancements along with a Nano Peen polish
• They have an extremely high level of fatigue life and are designed to handle the highest demands of performance engines
• Dyno proven and track tested
• Kits include:Feuling High Load BeeHive valve springs, lightweight 10°Titanium retainers manufactured from special Ti-17 alloy that are micro polished for enhanced fatigue life, machined heat treated chrome moly spring seats and valve locks and a set of premium Viton valve seals equipped with a spring loaded valve stem wiper system
• Spring pressures are 215 lb. at .585" lift, 200 lb. at .635" lift, and 185 lb. at .685" lift
• 10°, 5/16" valve stem with standard keeper grooves and .530 diameter valve guides