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Whiteline

Whiteline KCA425M Front Alignment Caster Kit; fits Subaru WRX 15-18

$343.69

SKU: W00A KCA425M

In Stock
In Stock
Ships by Oct 24
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Whiteline KCA425M is a 'MOTORSPORT ONLY' Anti Geometry Kit designed to replace the front control arm rear vertically mounted bushing. It features a lightweight aluminum housing with high-performance, low-compliance bearings for optimal dynamic alignment during rigorous motorsport applications. This kit offers positive static caster gains through its offset bearing orientation and is available in 'STEALTH BLACK'. The KCA425M allows STI owners to tune geometry from Anti Lift to Anti Dive using recommended spacers, adapting handling behavior to various track conditions, vehicle setups, and driver preferences. This kit is specifically designed for the 2011 Subaru WRX STI, excluding the standard WRX models.
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Part #: KCA425M

Whiteline's 'MOTORSPORT ONLY' Anti Geometry Kit for 2011 Subaru WRX STI (excludes WRX) replaces the front control arm rear vertically mounted bushing and features lightweight aluminium housing with high performance/low compliance bearings for optimum dynamic alignment under the high rigours of motorsport applications. Positive static caster gains can also be achieved by the offset orientation of the bearing and all motorsport kits come in 'STEALTH BLACK'. Unique to any Whiteline Anti geometry kit before it, KCA425M allows STI owners to tune geometry from Anti Lift to Anti Dive via a combination of recommended spacers delivering a window of handling behaviour to suit varying track, vehicle set up and driver needs.

Features:

  • Articulation voids deliver necessary suspension articulation and/or compression under loads.
  • Engineered to alter/ eliminate unwanted bump steer, optimising the vehicles steering characteristics.
  • Engineered to alter/ optimise caster alignment to maximize tyre contact patch during roll, improve turn-in response & increase directional stability.
  • Featuring premium anodized alloy materials, Whiteline alloy products are anodized providing a long-lasting protective barrier to corrosion and wear but they look great too.
  • Install guide included providing detailed instructions on how to install your new Whiteline purchase.
  • Whiteline's latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.

Whiteline Control arm - lower inner rear bushing.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandWhiteline
Part NumberW00A KCA425M

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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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