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OD:1.550
ID:.875
Hyd./Solid
Max Lift: .700
Spring Type: Single W/Damper
Seat Pressure: 140/1.900
Open Pressure: 350/1.300
Coil Bind: 1.150

Herbert Valve Springs are manufactured from the highest quality materials and are inspected during every step of manufacturing to insure the kind of performance you would expect.