Brian Crower dual valve springs with seats and titanium retainers for k-series enginesSeat Pressure: 80 lbs at 1.590"Open Pressure: 250 lbs at 1.110"
Coil Bind: 1.030"
Dual Valve Springs
Retainers are CNC machined from 6AL4V titanium
Includes steal seats
No machine work required
Designed for high rpm
Valve springs are wound from only the highest grade, super clean, chrome silicone alloy