Valves, Valve Springs Valves, Valve Springs New high quality stainless steel valves.. 1959-66 364-401-425 160.00 set of 16. The 1953-58 are 210.00 per set. Over sized valves available too. New iron guides, we do not recommend bronze. (see tech info) 48.00 set. Valve springs, stock 128.00 , mild performance HP-1 139.00 , high-performance hp-2 149.00. Contact us for correct springs for your needs. valve locks or keepers 32.00 per set Used spring retainers. 4.00 each RVC-B Intake Valve seals, never use on Exhaust guides. 16.00 set, requires machining guides except 1966 401-425.