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: Pacaloy Dual
Outer O.D.: 1.374"
Closed Pressure: 150 @ 1.950"
Open Pressure: 455 @ 1.250"
Coil Bind: 1.190"

Howards Cams Mechanical Flat Tappet Valve Springs
Style: Dual with Damper
Outer O.D.: 1.435"
Closed Pressure: 135 @ 1.680"
Open Pressure: 390 @ 1.190"
Coil Bind: 1.055"

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"

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"

Howards Cams Hydraulic Roller/Mechanical Flat Tappet Valve Springs
Style: Dual
Outer O.D.: 1. 437"
Closed Pressure: 145 @ 1.750"
Open Pressure: 315 @ 1.150"
Coil Bind: 1.025"

Howards Cams Electro Polished Performance Valve Springs
Style: Dual
Outer O.D.: 1.437"
Closed Pressure: 145 @ 1.750"
Open Pressure: 315 @ 1.150"
Coil Bind: 1.025"

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)

Hi-Tech Racing Products Performance Springs
Style: Dual
Outer O.D.: 1.440"
Closed Pressure: 140 @ 1.880"
Open Pressure: 320 @ 1.250"
Coil Bind: 1.150"