Ford Racing replacement valve spring kit (set of 8) for M-6049-SCJA cylinder heads. These hydraulic roller valve springs are specified with closed seat pressure of 135 lb at 1.850 in., open seat pressure of 365 lb at 1.250 in., a maximum lift equal of 0.700 in., and are supplied as a matched set of eight for the designated cylinder head application.
Ford Racing Replacement Valve Springs (TVS-1734) - Set Of 8