• Seat mounting base, left side
• Direct-fit for the factory seat rail and floor mounting points
• Positions an aftermarket Sparco seat at the correct height and angle
• Required for a proper aftermarket seat installation

The Foundation for a Proper Aftermarket Seat Install

Installing an aftermarket racing or bucket seat requires a mounting base that correctly positions the seat at the right height, angle, and location relative to the factory floor pan and seat rails, and Sparco's left-side base is engineered specifically for this application. Getting this base right matters for both comfort and safety, since an improperly positioned seat can affect visibility, pedal reach, and how well a harness or seatbelt actually restrains you in a crash. This base is the correct, application-specific foundation rather than a universal bracket that approximately works. That's exactly the kind of thoughtful design worth paying for.

The Correct Side for a Complete Installation

This is the left-side base specifically, so make sure you're ordering the matching base for the other side to complete a full seat installation. Once installed, this base lets you bolt on a genuine Sparco seat or another compatible aftermarket seat at the correct factory-matched position. It's an essential, often-overlooked component of any real aftermarket seat upgrade. For a component this critical, that level of engineering is worth having.

Straight From Subispeed

The correct left-side mounting base for a proper aftermarket seat installation in 2008-2014 WRX / 2008-2014 STI.

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