PAC Racing Springs 1200 Series Oval Track
Style: Dual with Damper
Outer O.D.: 1.545"
Closed Pressure: 175 @ 1.900"
Open Pressure: 442 @ 1.275"
Coil Bind: 1.180"

PAC 1200 Series Drag Racing Valve Springs
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 240 @ 1.900"
Open Pressure: 625 @ 1.200"
Coil Bind: 1.150"

Howards Cams Pacaloy® Roller Valve Springs
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 240 @ 1.900"
Open Pressure: 625 @ 1.200"
Coil Bind: 1.100"

Howards Cams Pacaloy® Mechanical Roller Valve Springs w/ Special Processing
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 240 @ 1.900"
Open Pressure: 625 @ 1.200"
Coil Bind: 1.100"

Howards Cams Pacaloy® Roller Valve Springs
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 250 @ 2.000"
Open Pressure: 765 @ 1.200"
Coil Bind: 1.150"

PAC 1300 Series Drag Racing Valve Springs
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 250 @ 2.000"
Open Pressure: 765 @ 1.200"
Coil Bind: 1.150"

PAC 1300 Series Drag Racing Valve Springs
Style: Dual
Outer O.D.: 1.550"
Closed Pressure: 275 @ 2.000"
Open Pressure: 805 @ 1.200"
Coil Bind: 1.150"

Howards Cams Pacaloy® Mechanical Roller Valve Springs w/ Special Processing
Style: Dual with Damper
Outer O.D.: 1.550"
Closed Pressure: 275 @ 2.000"
Open Pressure: 805 @ 1.200"
Coil Bind: 1.150"

Max Effort™ Roller Valve Springs
Style: Dual with Damper
Outer O.D.: 1.557"
Closed Pressure: 224 @ 1.900"
Open Pressure: 540 @ 1.250"
Coil Bind: 1.150"