Comp Cams, Hi-Tech Roller Valve SpringsStyle: Triple Outer O.D.: 1.645"Closed Pressure: 338 @ 2.000"Open Pressure: 849 @ 1.250"Coil Bind: 1.145"
Comp Cams, Hi-Tech Roller Valve SpringsStyle: Triple Outer O.D.: 1.645"Closed Pressure: 332 @ 2.100"Open Pressure: 949 @ 1.200"Coil Bind: 1.130"
PAC 1200 Series Drag Racing Valve SpringsStyle: TripleOuter O.D.: 1.645"Closed Pressure: 332 @ 2.100"Open Pressure: 950 @ 1.200" Coil Bind: 1.130"
PAC 1300 Series Drag Racing Valve SpringsStyle: Triple Outer O.D.: 1.645"Closed Pressure: 375 @ 2.200"Open Pressure: 1064 @ 1.200" Coil Bind: 1.130"
PAC 1300 Series Drag Racing Valve SpringsStyle: Triple Outer O.D.: 1.645"Closed Pressure: 350 @ 2.150"Open Pressure: 1004 @ 1.200" Coil Bind: 1.130"
Manley, NexTek® Roller Valve SpringsStyle: Triple Outer O.D.: 1.677"Closed Pressure: 350 @ 2.000"Open Pressure: 895 @ 1.270"Coil Bind: 1.160"
Manley, NexTek® Roller Valve SpringsStyle: Triple Outer O.D.: 1.677"Closed Pressure: 350 @ 2.100"Open Pressure: 1010 @ 1.200"Coil Bind: 1.142"
Howards Cams Pacaloy® Mechanical Roller Valve Springs w/ Special ProcessingStyle: Triple Outer O.D.: 1.681"Closed Pressure: 500 @ 2.200"Open Pressure: 1256 @ 1.300"Coil Bind: 1.100"