GSC EJ WRX/STi Single Valve Spring Kit (5743)

GSC

$282.46 
GSC-5743

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GSC Power-Division single valve spring kit for the EJ WRX and STi includes 16 titanium retainers and 16 cylindrical valve springs. This is a great spring kit for the daily driver with an S1 or S2 cam profile that keeps the boost and revs below 32 psi and 8,500 RPM.

Vehicle Fitment:
EJ20/EJ25
2002-2014 Subaru WRX
2004-2021 Subaru STi

• 78lbs @ 1.326" install height
• 197lbs @ 0.913"

Includes:
(16) Titanium Retainers
(16) Cylindrical 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: GSC5743
Springs: Cylindrical
Retainers: Titanium
Coil Bind: 0.845"
Install Height: 1.326"
Seat Pressure: 78 lbs
Open Pressure, 10.50mm Lift: 197lbs @ 0.913"
Maximum Valve Lift: 0.420"
Max RPM: 8,500
Max Boost: 32 psi
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Cancer and Reproductive Harm
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