We supply a huge range of boss kits allowing you to install your new racing steering wheel. The steering wheel boss kit is required to complete a successful installation of any steering wheel including the most popular Sparco, OMP and Momo options.
top service! ordered a harness to match one iv had for years and was spot on even replying well out of work hours to make sure I got it in time! will be using again for sure!
Ashley Peatman
10/11/2016
Purchased some side mount seat rails for my car. Best looking quality and price I could find anywhere.
Although they haven't arrived yet I don't doubt they'll be perfect. I got a brill email too, great customer service!
George Reed
7/31/2017
Would highly recommended GSM proformance for any motorsport equipment, great customer service, go out there way to double check my order was correct befor sending out to avoid any problems with getting my seats fitted, I will definitely be going back for everything else I need, great company, no issues
Sam Atkins
7/04/2018
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Before you leave. Is there anything I can assist with? With 17 years of industry knowledge and hands-on experience, I’m here to help. Let’s get you race ready!