Brian Crower Valve Spring / Retainer Kit (SRT-4)
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BC valve springs are dyno tested and will not loose pressure over extended periods of high rpm use. BC titanium retainers are CNC machined from only the highest grade, 6AL4V titanium round bar to exacting tolerances and RC checked for hardness. Titanium retainers are typically 40% lighter than OEM steel units for added rpm potential prior to valve float.
Brian Crower Spring Pressures:
Seat: 1.500" @ 92 lbs
Open: 1.100" @ 195 lbs
Coil Bind: 0.920"
No machine work required for fitment or clearance!