Brian Crower dual valve springs with steal seats and retainers for k-series engines
Seat Pressure: 80 lbs at 1.590"
Open Pressure: 250 lbs at 1.110"
Coil Bind: 1.030"
Dual Valve Springs
Steal Retainers
No machine work required
Designed for high rpm
Valve springs are wound from only the highest grade, super clean, chrome silicone alloy
Note: Seats not included