GSC 4G63 Evo 8/9 Beehive Springs (5039)
The GSC Power-Division beehive valve springs for the Evo 8/9 includes 16 beehive valve springs only. These are a replacement for the factory Evo 8/9 beehive springs and will work with the factory seat and retainer for an easy and inexpensive upgrade.
Vehicle Fitment:
2003-2006 Evolution VIII IX
* For Evo 8/9 ONLY!
* For Evo 1-7 and DSM, please see GSC5040 which includes the springs and Ti retainers.
• IN: 85 lbs @ 1.539" / EX: 92 lbs @ 1.519" install height
• IN: 223 lbs @ 1.106" / EX: 237 lbs @ 1.117"
Includes:
(16) Beehive Valve Springs
More Info:
GSC beehive springs are made with an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a smaller, lighter retainer allowing for higher RPM and more valve control.
Vehicle Fitment:
2003-2006 Evolution VIII IX
* For Evo 8/9 ONLY!
* For Evo 1-7 and DSM, please see GSC5040 which includes the springs and Ti retainers.
• IN: 85 lbs @ 1.539" / EX: 92 lbs @ 1.519" install height
• IN: 223 lbs @ 1.106" / EX: 237 lbs @ 1.117"
Includes:
(16) Beehive Valve Springs
More Info:
GSC beehive springs are made with an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilities. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a smaller, lighter retainer allowing for higher RPM and more valve control.
| Part Number: | GSC5039 |
| Springs: | Beehive |
| Coil Bind: | 0.920" |
| Install Height: | 1.539 / 1.519" |
| Seat Pressure: | 85 / 92 lbs |
| Open Pressure, 11.00mm Lift: | 223lbs @ 1.106" 237lbs @ 1.117" |
| Maximum Valve Lift: | 0.539" |
| Max RPM: | 8,200 |
| Max Boost: | 25 psi |
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