Howards Cams Performance Valve Springs
Style: Single with Damper
Outer O.D.: 1.265"
Closed Pressure: 122 @ 1.800"
Open Pressure: 375 @ 1.250"
Coil Bind: 1.100"

Howards Cams Hydraulic/Mechanical Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.250"
Closed Pressure: 115 @ 1.700"
Open Pressure: 300 @ 1.250"
Coil Bind: 1.160"

Howards Cams Electro Polished Performance Valve Springs
Style: Single with Damper
Outer O.D.: 1.265"
Closed Pressure: 120 @ 1.800"
Open Pressure: 350 @ 1.200"
Coil Bind: 1.100"

Hydraulic Roller/Mechanical Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.265"
Closed Pressure: 125 @ 1.800"
Open Pressure: 375 @ 1.200"
Coil Bind: 1.150"

Howards Cams Performance Mechanical Flat Tappet Valve Springs
Style: Pacaloy Single with Damper
Outer O.D.: 1.260"
Closed Pressure: 140 @ 1.750"
Open Pressure: 410 @ 1.200"
Coil Bind: 1.100"

Howards Cams Small Dia. Dual Hydraulic Flat Tappet Valve Springs
Style: Dual
Outer O.D.: 1.384"
Closed Pressure: 105 @ 1.625"
Open Pressure: 230 @ 1.150"
Coil Bind: .910"

Howards Cams Small Dia. Dual Hydraulic Flat Tappet Valve Springs
Style: Pacaloy Dual
Outer O.D.: 1.374"
Closed Pressure: 150 @ 1.950"
Open Pressure: 455 @ 1.250"
Coil Bind: 1.190"

Howards Cams Hydraulic Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.437"
Closed Pressure: 100 @ 1.750"
Open Pressure: 235 @ 1.100"
Coil Bind: 1.050"

Howards Cams Hydraulic Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.445"
Closed Pressure: 120 @ 1.680"
Open Pressure: 295 @ 1.175"
Coil Bind: 1.100"

Howards Cams Electro Polished Performance Valve Springs
Style: Single with Damper
Outer O.D.: 1.437"
Closed Pressure: 110 @ 1.750"
Open Pressure: 235 @ 1.100"
Coil Bind: 1.050"

Grand National Street Roller Springs
Style: Dual with Damper
Outer O.D.: 1.437"
Closed Pressure: 185 @ 1.750"
Open Pressure: 365 @ 1.250"
Coil Bind: 1.100"

Howards Cams Hydraulic Roller Valve Springs
Style: Dual with Damper
Outer O.D.: 1. 437"
Closed Pressure: 135 @ 1.750"
Open Pressure: 285 @ 1.250"
Coil Bind: 1.125"