Manley, NexTek Roller Valve Springs
Style: Dual
Outer O.D.: 1.640"
Closed Pressure: 250 @ 2.000"
Open Pressure: 800 @ 1.150"
Coil Bind: 1.070"

Manley, NexTek® Roller Valve Springs
Style: Triple
Outer O.D.: 1.677"
Closed Pressure: 350 @ 2.000"
Open Pressure: 895 @ 1.270"
Coil Bind: 1.160"

Manley, NexTek® Roller Valve Springs
Style: Triple
Outer O.D.: 1.677"
Closed Pressure: 350 @ 2.100"
Open Pressure: 1010 @ 1.200"
Coil Bind: 1.142"