GSC Race Conical Spring kit with Ti Retainer 4G63T
GSC Race Conical Spring kit with Ti Retainer 4G63T
SKU:GSC-5097
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Upgrade your engine with the GSC Power-Division Race Conical Spring kit. Ideal for high-performance racing, this kit works best for builds over 1,000 HP and can handle up to 60+ psi of boost at 11,000 RPM. Our redesigned Ti Retainer is 10% lighter and smaller, ensuring strength and endurance for top-level racing..
Upgrade your valve springs with our GSC5097 kit, including 16 conical springs, 16 Ti retainers, and 16 CNC chromoly seats. Use our GSC1003 keeper kit or OEM keepers without worry of incompatibility. Valve keeper not included.
Verify the installation heights of your valve springs here.
- IN: 133 lbs @ 1.510" / EX: 140 lbs @ 1.490" install height
- IN: 295 lbs @ 1.018" lift / EX: 295 lbs @ 1.018" lift
GSC5097 RACE Conical Valve Spring Kit with Ti Retainer for 4G63 | |||||
Setup | Coil Bind (in) | Install Height (in) | Seat Pressure (lbs) |
Open Pressure (lbs @ in) |
Maximum Valve Lift (in) |
HP Conical | 0.960 | 1.510" Intake 1.490" Exhaust |
133 Intake 140 Exhaust |
295 lbs @ 1.018 |
0.495" Intake 0.472" Exhaust |
- Max RPM: 11,000 RPM
- Max boost: 60+ psi
Vehicle Fitment:
Lancer Evolution I-IX 1992-2006
Eclipse GSX/GST 1990-1999
Galant VR-4 1989-1993
Talon TSI 1990-1998
Laser RS 1990-1994
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Caution: May contain chemicals linked to cancer and reproductive harm (CA Prop 65). Visit Prop 65 Warnings & OEHHA websites for more info.

