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Will the Sparco Sprint L Seat Work with M2 Rails? Here’s the Complete Guide

Sparco Sprint L seat alongside M2 rails, explaining compatibility issues and solutions with Planted Technology brackets

A common question from our customers revolves around fitting aftermarket seats, especially regarding the compatibility of the Sparco Sprint L FIA Motorsport Bucket Seat with M2 rails. Specifically, one customer asked if their Sparco Sprint L would work with the M2 Direct Fit Sub-frames designed for Honda models like the FN2 Civic. Unfortunately, the answer is no, as the Sparco Sprint L is too wide to mount onto M2 rails directly. This issue, however, isn’t limited to the FN2; it applies to most M2 sub-frames due to the dimensions and mounting hole alignment. Thankfully, there is a solution: the Planted Technology seat brackets.

This guide will clarify why the Sparco Sprint L does not fit with M2 sub-frames, provide technical details on the issue, and explain how Planted Technology brackets offer an ideal alternative for securely mounting the Sparco Sprint L across multiple car models.

Why the Sparco Sprint L Doesn’t Fit M2 Rails

The primary problem with pairing the Sparco Sprint L seat with M2 sub-frames stems from differences in the width and mounting design. The Sparco Sprint L is wider than most seats M2 rails are built to support, and the mounting hole alignment on the M2 frames does not match up with the Sparco Sprint L seat.

Seat Width of Sparco Sprint L

The Sparco Sprint L is designed with a wide frame, making it one of the larger options among FIA-approved motorsport bucket seats. This wider base does not line up with the mounting holes on M2 rails, which are crafted for a narrower seat base. This incompatibility is common with seats that have a broad side profile or reinforced frames for extra durability.

A Solution to the Compatibility Issue: Planted Technology Brackets

For those who want to install a Sparco Sprint L seat in a vehicle with M2 rails, the Planted Technology brackets provide a reliable and effective solution. These brackets are built to accommodate a wide range of seat widths and mounting configurations, including the dimensions of the Sparco Sprint L. Here’s why the Planted Technology brackets work well in this situation:

To ensure the Sparco Sprint L seat functions smoothly and can be easily adjusted for driver comfort, it’s essential to use the Sparco seat slider with this setup. The Sparco slider allows for front-to-back seat adjustments, enabling you to fine-tune your driving position. This component mounts directly between the Sparco Sprint L seat and the Planted Technology bracket, creating a secure, fully adjustable setup that optimizes comfort, visibility, and control. Without the slider, you’ll lose the ability to reposition the seat, which is critical for maintaining the best ergonomic and safety position in your vehicle.

  • Planted Technology

    From £185.50 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page
  • Sparco Fitting Equipment

    £32.50 Excl. VAT Add to basket
  • M2 Motorsport Car Specific Side Mount Rail Kits

    From £120.50 Excl. VAT Select options This product has multiple variants. The options may be chosen on the product page

Key Benefits of Planted Technology Brackets

  1. Wide Compatibility with Bucket Seats
    Planted Technology brackets are designed for a broad range of seat brands and types, including wider seats like the Sparco Sprint L. With pre-drilled holes that cater to various seat widths, these brackets allow users to mount a seat securely without needing to drill additional holes or make modifications.

  2. Vehicle-Specific Fit
    Planted Technology offers vehicle-specific brackets for popular models like the Honda Civic FN2 and other makes. These brackets attach directly to the vehicle’s factory mounting points, ensuring easy installation and a secure fit. This makes them a great solution for users across multiple car models, as they provide a consistent fitment.

  3. Durability for Motorsport Applications
    Built from high-strength steel, Planted Technology brackets are robust enough to handle the demands of high-performance driving. They maintain stability and resist flexing, even with larger seats, making them suitable for motorsport use where safety and stability are paramount.

  4. Ease of Installation with Universal Design
    Unlike M2 rails, which are more specialized, Planted Technology brackets allow for greater adjustability and flexibility in seat mounting. The universal mounting holes make installation straightforward and give drivers the flexibility to fine-tune their seating position to fit their specific needs.

Step-by-Step Guide to Installing the Sparco Sprint L with Planted Technology Brackets

For those ready to install the Sparco Sprint L seat with Planted Technology brackets in place of M2 rails, here’s a step-by-step guide:

  1. Remove the Factory Seat and Existing Rails
    Begin by removing the factory seat and any existing seat rails (such as M2 rails). Be sure to disconnect any wiring, such as seatbelt sensors or airbag connections if applicable.

  2. Install the Planted Technology Bracket
    Position the Planted Technology bracket over the factory mounting points on your car’s floor. Use the provided hardware or original seat bolts to securely attach the bracket to the floor, ensuring a stable fit.

  3. Attach the Sparco Sprint L Seat to the Bracket
    Align the mounting points on the Sparco Sprint L with the pre-drilled holes on the Planted Technology bracket. Use the provided bolts to secure the seat, tightening each bolt to ensure a stable mount. The universal design of the Planted bracket ensures a straightforward installation without the need for modifications.

Conclusion: Why Planted Technology Brackets Are the Best Solution for Installing the Sparco Sprint L Seat

While M2 rails are a popular option for direct-fit seat installations, they don’t provide the flexibility needed for a wider seat like the Sparco Sprint L. The Planted Technology bracket offers a versatile solution, allowing you to securely mount the Sparco Sprint L in various vehicles without modifications. With high-strength construction, precise fitment, and compatibility across multiple seat brands, Planted Technology brackets are ideal for drivers who need a stable and adaptable mounting solution.

For more details or assistance with seat and bracket compatibility, feel free to reach out to us

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