Isky Performance Valve Springs
Style: Single with Damper
Outer O.D.: 1. 260"
Closed Pressure: 130 @ 1.750'
Open Pressure: 320 @ 1.200"
Coil Bind: 1.130"

Hi-Tech Racing Products Performance Springs
Style: Single with Damper
Outer O.D.: 1.265"
Closed Pressure: 115 @ 1.780"
Open Pressure: 340 @ 1.250"
Coil Bind: 1.160"

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 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 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 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 Hydraulic Flat Tappet Valve Springs
Style: Dual
Outer O.D.: 1.435"
Closed Pressure: 105 @ 1.700"
Open Pressure: 320 @ 1.180"
Coil Bind: 1.120"

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 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"

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"

Hi-Tech Racing Products Performance Springs
Style: Dual with Damper
Outer O.D.: 1.437"
Closed Pressure: 130 @ 1.750"
Open Pressure: 285 @ 1.250"
Coil Bind: 1.150"