Perf Hyd. Roller/Mech.
Flat Tappet Valve Springs
1.265
0.875
122@ 1.800
375@ 1.250
460
0.640
1.100

Electro Polished Performance Valve Springs
16 Pc.
1.265
0.875
115 @ 1.800
380 @ 1.200
430
0.640
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"

Small Diameter (1.374") Dual Valve Springs
455 @ 1.250
436 Rate
0.700 Max Lift
Set of 16

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"

Performance Street/Strip Valve Springs
Set of 16
1.437
0.760
130 @ 1.750
285 @ 1.250
300
1.062
0.625

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

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"

Electro Polished Performance Valve Springs
145 @ 1.750
315 @ 1.150
Polished
Hyd. Roller
Mech. FT

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"