Feuling High Load Valve Spring kits

FEULING HIGH LOAD premium performance BEEHIVE valve springs handle up to 750 lift camshafts on Twin Cam, Evo and XL. Up to 565 lift on M8 models with out seat pocket cutting. Over 0.600 with seat pocket machining. Designed for steep ramped large lift camshafts - These Feuling 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 with high lift, steep ramped camshafts. Dyno proven and track tested. FEULING BEEHIVE valve springs use a much smaller and lighter weight retainer which drastically reduces the valve weight creating a much quicker revving and smoother motion than comparable dual valve springs. up to 750 lift camshafts on Twin Cam, Evo and XL. Up to 565 lift on M8 models with out seat pocket cutting. Over 0.600 on M8 with seat pocket mach