Howards Cams Electro Polished Performance 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"

Elgin Performance Valve Springs
Style: Dual
Outer O.D.: 1.437"
Closed Pressure: 120 @ 1.800"
Open Pressure: 325 @ 1.250"
Coil Bind: 1.100"
Note: Set of 8 (2 sets required per 8 cylinder)

Howards Cams Hyd./Mech. Flat Tappet & Hydraulic Roller Valve Springs
Style: Dual
Outer O.D.: 1.465"
Closed Pressure: 122 @ 1.650"
Open Pressure: 353 @ 1.100"
Coil Bind: .950"

Howards Cams Hydraulic/Mechanical Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.485"
Closed Pressure: 105 @ 1.800"
Open Pressure: 288 @ 1.300"
Coil Bind: 1.250"

Hi-Tech Racing Products, High Performance Dual Valve Springs
Style: Pacaloy Dual
Outer O.D.: 1.374"
Closed Pressure: 110 @ 1.880"
Open Pressure: 345 @ 1.330"
Coil Bind: 1.270"

Howards Cams Hydraulic Roller/Mechanical Flat Tappet Valve Springs
Style: Dual
Outer O.D.: 1.470"
Closed Pressure: 110 @ 1.880"
Open Pressure: 350 @ 1.330"
Coil Bind: 1.270"

Elgin Performance Valve Springs
Style: Single with Damper
Outer O.D.: 1.500"
Closed Pressure: 121 @ 1.800"
Open Pressure: 298 @ 1.300"
Coil Bind: 1.130"
Note: Set of 8 (2 sets required per 8 cylinder)

Comp Cams Performance Valve Springs
Style: Dual with Damper
Outer O.D.: 1.509"
Closed Pressure: 112 @ 1.900"
Open Pressure: 355 @ 1.200"
Coil Bind: 1.175"

Howards Cams Performance Valve Springs
Style: Single with Damper
Outer O.D.: 1.510"
Closed Pressure: 100 @ 1.880"
Open Pressure: 275 @ 1.380"
Coil Bind: 1.300"

Howards Cams Mechanical Flat Tappet Valve Springs
Style: Dual with Damper
Outer O.D.: 1.514"
Closed Pressure: 130 @ 1.875"
Open Pressure: 330 @ 1.300"
Coil Bind: 1.150"

Howards Cams Electro Polished Performance Valve Springs
Style: Dual with Damper
Outer O.D.: 1.514"
Closed Pressure: 130 @ 1.875"
Open Pressure: 330 @ 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"