GSC 4G63 Conical High Pressure Spring Kit (5079)
Vehicle Fitment:
Mitsubishi 4G63
1992-2006 Evolution I-IX
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR4
IN: 114 lbs @ 1.570" / EX: 120 lbs @ 1.550" install height
IN: 256 lbs @ 12.1mm lift / EX: 260lbs @ 12.0mm lift
Includes:
(16) Conical Valve Springs
(16) Titanium Retainers
More Info:
Conical springs allow for the use of a smaller, lighter retainer and have a varying spring rate allowing for higher RPM and more valve control.
| Part Number: | GSC5079 |
| Springs: | HP Beehive |
| Retainers: | Titanium |
| Coil Bind: | 0.952" |
| Install Height: | 1.570 / 1.550" |
| Seat Pressure: | 114 /120 lbs |
| Open Pressure, 12.00mm Lift: | 256 lbs @ 12.1mm lift 260lbs @ 12.0mm lift |
| Maximum Valve Lift: | 0.538" |
| Max RPM: | 10,500 |
| Max Boost: | 50 psi |
| Previous Beehive Part Number: | 5057 |

Original: $472.30
-65%$472.30
$165.31

Description
Vehicle Fitment:
Mitsubishi 4G63
1992-2006 Evolution I-IX
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1992 Galant VR4
IN: 114 lbs @ 1.570" / EX: 120 lbs @ 1.550" install height
IN: 256 lbs @ 12.1mm lift / EX: 260lbs @ 12.0mm lift
Includes:
(16) Conical Valve Springs
(16) Titanium Retainers
More Info:
Conical springs allow for the use of a smaller, lighter retainer and have a varying spring rate allowing for higher RPM and more valve control.
| Part Number: | GSC5079 |
| Springs: | HP Beehive |
| Retainers: | Titanium |
| Coil Bind: | 0.952" |
| Install Height: | 1.570 / 1.550" |
| Seat Pressure: | 114 /120 lbs |
| Open Pressure, 12.00mm Lift: | 256 lbs @ 12.1mm lift 260lbs @ 12.0mm lift |
| Maximum Valve Lift: | 0.538" |
| Max RPM: | 10,500 |
| Max Boost: | 50 psi |
| Previous Beehive Part Number: | 5057 |























