Howards Cams Electro Polished Performance Valve Springs
Style: Dual
Outer O.D.: 1.514"
Closed Pressure: 145 @ 1.900"
Open Pressure: 360 @ 1.300"
Coil Bind: 1.150"

Howards Cams Hydraulic Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.525"
Closed Pressure: 125 @ 1.875"
Open Pressure: 350 @ 1.375"
Coil Bind: 1.200"

Isky Performance Valve Springs
Style: Dual with Damper
Outer O.D.: 1. 530"
Closed Pressure: 135 @ 1.875"
Open Pressure: 380 @ 1.250"
Coil Bind: 1.160"

Hi-Tech Racing Products Performance Springs
Style: Single with Damper
Outer O.D.: 1.535"
Closed Pressure: 125 @ 1.875"
Open Pressure: 350 @ 1.375"
Coil Bind: 1.200"

Howards Cams Hydraulic Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.550"
Closed Pressure: 145 @ 1.880"
Open Pressure: 350 @ 1.250"
Coil Bind: 1.200"

Howards Cams Electro Polished Performance Valve Springs
Style: Hydraulic/Mechanical Flat Tappet & Hydraulic Roller Single with Damper
Outer O.D.: 1.550"
Closed Pressure: 145 @ 1.880"
Open Pressure: 350 @ 1.250"
Coil Bind: 1.200"

Howards Cams Hydraulic Roller/Mechanical Flat Tappet Valve Springs
Style: Dual
Outer O.D.: 1.500"
Closed Pressure: 145 @ 1.940"
Open Pressure: 425 @ 1.250"
Coil Bind: 1.100"

Howards Cams Electro Polished Performance Valve Springs
Style: Dual with Damper
Outer O.D.: 1.539"
Closed Pressure: 140 @ 1.940"
Open Pressure: 425 @ 1.250"
Coil Bind: 1.150"

Hi-Tech Racing Products Performance Springs
Style: Single with Damper
Outer O.D.: 1.540"
Closed Pressure: 145 @ 1.880"
Open Pressure: 355 @ 1.250"
Coil Bind: 1.050"

Howards Cams Race Saver 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"

PAC Racing Springs 1200 Series Oval Track
Style: Single with Damper
Outer O.D.: 1.244"
Closed Pressure: 125 @ 1.750"
Open Pressure: 350 @ 1.250"
Coil Bind: 1.150"