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Engines and Components› Camshafts and Valvetrain

GSC Power Division

GSC P-D Subaru EJ Single Conical Valve Spring Titanium Retainer & Spring Seat Kit

$609.24 $517.85 Save $91.39

SKU: G00D 5073

In Stock
In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 5073

MIA's Description

GSC Power-Division high pressure conical valve spring kit for the EJ WRX and STi includes 16 titanium retainers, 16 conical valve springs and 16 chromoly valve spring seats. High RPM and high boost levels are not a problem on these kits. The kit features a coil bind of 0.818", install height of 1.303", seat pressure of 109 lbs, and open pressure of 259 lbs at 0.850" with 11.50mm lift. Maximum valve lift is 0.453", and it's rated for a maximum RPM of 10,000 and maximum boost of 40 psi.

Fitment

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Specifications

BrandGSC Power Division
Part NumberG00D 5073

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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