Create your ideal windows below, or contact the team if you have a specific requirement.

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Note: Unless stated, all windows are sized to fit into rubber seals. If you need bolt-in sizing, then please contact us.

Regular price $297.00 USD
Regular price Sale price $297.00 USD
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Orders ship in 3 weeks (5 for hard-coated). Delivery in 3–17 business days, depending on location.

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Product information

Race Plastics polycarbonate windows are handcrafted to order by our expert UK team. Designed for motorsport and high-performance use, they’re lightweight, tough, and completely shatterproof—unlike glass or standard acrylics, which can crack under stress.

Our standard windows use 4mm polycarbonate to meet Motorsport UK regulations. We also offer 5mm options that are FIA compliant, plus hard-coated variants for added durability and resistance to scratching.

All windows are available in clear, bronze, or grey tint to suit your vehicle’s design. You can also add window sliders to either or both front doors, depending on your setup.

Window Sliders

Each slider kit is made from the same polycarbonate as your chosen windows. Designed for both driver and passenger sides, these sliders are reliable, practical, and easy to install.

Choose between:

  • Three-position locking with a smooth, rattle-free action
  • Simple two-position setup for fast and secure use

Sliders are engineered to avoid scratching and sit flush with your window kit. Ideal for improving airflow on track days or road builds. More info is available on our Window Slider Kits page.

Shipping times

Once your order’s confirmed, we’ll get started. Most standard orders are manufactured and dispatched within 3 weeks. Custom or hard-coated versions may take a little longer—we’ll contact you with a lead time. If you need your order by a specific date, let us know and we’ll aim to meet it.

Can I fit the windows myself?

Yes, installation is usually straightforward. There are helpful videos online, and our windows are designed to fit into standard rubber seals unless otherwise noted. If you need bolt-in variants, just contact us.

Can I collect my order?

Collection from our UK facility is available by arrangement. Most international orders are shipped, but we’re happy to sort collection if needed—just get in touch.

Want to change your order?

Reach out as early as possible. We’ll always try to accommodate changes, but if manufacturing has already started, there may be a charge.

  • Expertly crafted in the UK

    All of our windows and sliders are hand made to order by our team in the UK.

  • Motorsport compliant

    Our standard windows are made from UK compliant 4mm Polycarbonate.

  • FIA & hard-coated options

    We also offer FIA compliant 5mm & hard-coated options.

  • Road legal warning

    Always check your local vehicle regulations before fitting.

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The Vauxhall Astra mk1 rally car

The Vauxhall Astra Mk1, launched in 1980, marked a huge shift for Vauxhall. Before the Astra, Vauxhall had stuck with rear-wheel-drive saloons like the Viva and Chevette, but the Mk1 Astra was their first front-wheel-drive hatchback, setting the foundation for decades of success. Designed as a rival to the Ford Escort, Volkswagen Golf, and Austin Maestro, the Astra was practical, stylish, and surprisingly fun to drive, making it an instant hit in the UK and beyond.
The Mk1 Astra wasn’t actually a Vauxhall design, it was a rebadged version of the Opel Kadett D, which had been developed by General Motors in Germany. This was part of GM’s new strategy of sharing designs across Europe, meaning the Astra benefited from advanced engineering and a modern, aerodynamic shape compared to its predecessors.
Available in three-door and five-door hatchback, saloon, and estate versions, the Astra appealed to a wide range of buyers, from families looking for a reliable daily driver to young enthusiasts who wanted something lightweight and agile. The boxy but clean styling gave it a modern look for the time, with sharp lines and an aerodynamic wedge shape that improved fuel efficiency.
Under the bonnet, the Astra Mk1 offered a range of four-cylinder petrol engines, from a 1.2-litre unit producing 55 horsepower to the more powerful 1.6-litre option with 90 horsepower. These engines were fuel-efficient, durable, and easy to maintain, making them perfect for budget-conscious buyers. The lightweight chassis and front-wheel-drive layout gave the Astra lively handling and good road manners, making it more fun to drive than many expected from a family hatchback.
But the real highlight of the Mk1 Astra was the GTE model, introduced in 1983. This was Vauxhall’s answer to the hot hatch revolution, with the GTE featuring a 1.8-litre fuel-injected engine producing 115 horsepower, giving it a 0-60 mph time of around 8.5 seconds. With its sportier suspension, sharper steering, and aggressive styling, the Astra GTE proved that Vauxhall could compete with the likes of the Volkswagen Golf GTI and Ford Escort XR3i in the hot hatch wars.
Inside, the Mk1 Astra was simple but practical, with a driver-focused dashboard, supportive seats, and just enough equipment to feel modern without being overcomplicated. It was designed to be affordable and easy to live with, offering good visibility, a spacious cabin, and a decent-sized boot, making it a genuine all-rounder.
By the time production ended in 1984, the Astra Mk1 had cemented its place as a major player in the UK car market, paving the way for future generations of the Astra, which would go on to become one of Vauxhall’s best-selling models ever.
Today, the Mk1 Astra is a rare sight on British roads, with most having succumbed to rust or decades of hard use. However, enthusiasts and collectors still appreciate it for its clean design, engaging driving experience, and historical importance. The GTE models, in particular, are becoming highly sought after, as they represent one of the earliest and most underrated hot hatches of the 1980s.
For those who remember it, the Astra Mk1 was more than just a car, it was the start of something big. It proved that Vauxhall could build a modern, front-wheel-drive hatchback that was practical, efficient, and genuinely enjoyable to drive, setting the stage for decades of Astra success.

Thought about a slider kit?

Our easy retro fit window slider kits are the essential addition to your racing windows with standard and advanced kits available.

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Need Glue for your New Windows?

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