Electro Polished Performance Valve Springs
0.760 ID
135 @ 1.750
285 @ 1.250
Electro Polished

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)

Stock Dia. Performance Springs
Chev
Chry
Ford
351W/C/M/400

Stock Dia. Valve Springs
AMC
Chev
Chry
Ford
1.514
1.125
0.937
0.697
130 @ 1.875
330 @ 1.300
348
0.670

Electro Polished Performance Valve Springs
130 @ 1.875
330 @ 1.300
Polish
348 Rate/1.150 Coil Bind

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"