Single valve springs with billet aluminum retainers
SIngle valve spring with 50 seat pounds and 120 pounds @.500 lift. For use with 33-28.5 stainless steel valves up to 7500 rpm or titanium 1.450-1.200 9500+ rpm. Springs are sold in sets of 4.
NOTE*** never use performance valve springs with stock valves. Stock valve failure is common