Performance Springs Dual Valve Spring Set (12) 1.340 O.D, 120 @ 1.65 (5003D-12) PS5003D-12
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Performance Springs Dual Valve Spring Set (12) 1.340 O.D, 120 @ 1.65 (5003D-12)
Performance Springs ValveSprings are manufactured to astrict quality standard toensure that you get the bestfor your dollar. ValveSprings come to you alreadyscragged to save you time(scragging is a process wherethe spring is compressed tosolid before checking loads).Springs are scraggedindividually to ensure eachspring is to solid heightbefore checking, unlike mostthat are scragged to a heightsomewhere close to solid.Valve Spring wire is alsodouble eddy current tested toa depth of 40 microns and anywire detected with flaws issprayed, the coiling machinepicks this up and rejectsthese sections. They are alsorattle tested on a speciallydesigned machine which we canput a cam lobe into and run acomplete set up (lifter,spring, retainer, push rod,rocker and valve) and checkfor harmonics.