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"

Grand National Street Roller Springs
Style: Dual with Damper
Outer O.D.: 1.437"
Closed Pressure: 185 @ 1.750"
Open Pressure: 365 @ 1.250"
Coil Bind: 1.100"

Max Effort™ Roller Valve Springs
Style: Dual
Outer O.D.: 1.437"
Closed Pressure: 175 @ 1.750"
Open Pressure: 400 @ 1.150"
Coil Bind: 1.050"

Howards Cams Hydraulic Roller/Mechanical Flat Tappet Valve Springs
Style: Dual
Outer O.D.: 1. 437"
Closed Pressure: 145 @ 1.880"
Open Pressure: 325 @ 1.250"
Coil Bind: 1.150"

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"

Pac Racing Springs RPM Beehive Valve Springs
Style: RPM Ovate Beehive
Outer O.D.: 1.445"
Closed Pressure: 155 @ 1.880"
Open Pressure: 377 @ 1.280"
Coil Bind: 1.210"

Comp Cams Beehive Valve Springs
Style: Beehive
Outer O.D.: 1.095"
Closed Pressure: 155 @ 1.880"
Open Pressure: 377 @ 1.280"
Coil Bind: 1.230"

Pac Racing Springs RPM Beehive Valve Springs
Style: RPM Ovate Beehive
Outer O.D.: 1.445"
Closed Pressure: 175 @ 1.950"
Open Pressure: 440 @ 1.300"
Coil Bind: 1.220"

Howards Cams Beehive (Inverted Conical) Valve Springs
Style: Beehive
Outer O.D.: 1.450"
Closed Pressure: 118 @ 1.950"
Open Pressure: 375 @ 1.380"
Coil Bind: 1.320"

Hi-Tech Racing Products Performance Springs
Style: Dual
Outer O.D.: 1.460"
Closed Pressure: 120 @ 1.875"
Open Pressure: 425 @ 1.110"
Coil Bind: 1.080"

Howards Cams Hydraulic Roller/Mechanical Flat Tappet Valve Springs
Style: Dual
Outer O.D.: 1. 437"
Closed Pressure: 120 @ 1.875"
Open Pressure: 425 @ 1.110"
Coil Bind: 1.150"

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"