Howards Cams Hydraulic/Mechanical Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.250"
Closed Pressure: 115 @ 1.700"
Open Pressure: 300 @ 1.250"
Coil Bind: 1.160"

Performance Hydraulic Flat Tappet Valve Springs
1.240
0.860
90@1.700
240@1.250
335
1.125
0.520

Howards Cams Hydraulic/Mechanical Flat Tappet Valve Springs
Style: Single with Damper
Outer O.D.: 1.265"
Closed Pressure: 125 @ 1.750"
Open Pressure: 340 @ 1.250"
Coil Bind: 1.150"

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"

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 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/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"

Howards
Grand National Street Roller Springs
1.437 Dia

Max Effort Mechanical Roller Valve Springs
Dual
1.500
1.116
0.800
170 @ 1.800
445 @ 1.250
480
0.700

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"