Engines and Components Camshafts and Valvetrain

Ferrea Racing

Ferrea Subaru STI Double Spring 6 Deg Pro CNC Titanium Retainer - Single

$21.55

SKU: F00K E11065-1

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Ferrea E11065-1 is a valve spring retainer designed for Subaru WRX and STI models. It features a 6mm valve stem size, a 25.40mm diameter (A), and a 16.51mm inner step diameter (C). This titanium retainer is part of Ferrea's Pro CNC line and is referenced for use with their #S10098 double springs and #K10074 valve locks.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandFerrea Racing
Part NumberF00K E11065-1

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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