Whiteline Rear Toe Lock Kit – 2002-2007 Subaru WRX/STi

Whiteline Rear Toe Lock Kit – 2002-2007 Subaru WRX / STI

Lock In Rear Toe on Your GD WRX or STI After Alignment
The Whiteline KCA377 rear toe lock kit for the 2002-2007 Subaru WRX and STI provides additional mechanical resistance to rear toe drift after alignment. On GD WRX and STI models — especially those with worn rear suspension bushings — the rear toe can shift away from the aligned setting under hard driving loads. The toe lock kit helps maintain the alignment setting between visits to the alignment shop.

DETAILS

• Rear toe lock hardware for 2002-2007 Subaru WRX and STI (GD chassis)
• Provides additional resistance to rear toe drift after alignment
• Most effective on cars with worn rear bushings
• Fitment: 2002-2007 Subaru WRX and STI (GD chassis)
• Direct bolt-in installation

Why Rear Toe Drifts on the GD
The GD WRX and STI rear suspension uses rubber bushings that soften with age and performance use. As the bushings soften, the dynamic loads of hard cornering and braking can shift the toe away from the static alignment setting. The KCA377 provides additional mechanical resistance to this drift.

Best Combined With Bushing Replacement
The toe lock hardware addresses the symptom of toe drift but not its root cause — worn bushings. Whiteline’s rear polyurethane bushing kits for the GD platform address the root cause directly. The combination of fresh polyurethane bushings and toe lock hardware provides the most comprehensive solution.

GD WRX and STI Alignment Maintenance
The KCA377 is particularly useful for GD owners who track their cars between alignment sessions. It helps the aligned setting persist longer under the loads of performance driving.

Why Choose Whiteline

Whiteline has been engineering suspension components from their facility in Australia since 1979. Every product in their catalog is developed with a clear goal: measurable improvement in handling, stability, and tyre contact. Whiteline’s polyurethane bushings, sway bars, control arms, and alignment correction kits are engineered using finite element analysis and validated on track before they reach the market. Their components are direct-fit, bolt-on solutions designed for enthusiasts who want real performance gains without fabrication or custom work.

The RallySport Take

A practical alignment retention tool for GD WRX and STI owners. Works best alongside a proper rear bushing refresh. Get an alignment after installation — the offset geometry changes the static alignment readings. The improvement in steering feel and braking stability is noticeable immediately. Combine with a matching rear anti-lift or geometry correction kit for the most complete front end precision package.

What’s in the Box

• Rear toe lock hardware for 2002-2007 Subaru WRX and STI (GD chassis)
• Provides additional resistance to rear toe drift after alignment
• Most effective on cars with worn rear bushings

Fitment