HI Spec 325mm Billet 4 Kits

HI Spec Billet 4 brake conversion kits are a fantastic way of increasing your braking performance at an affordable price. Hi Spec brakes are manufacturered in the UK and are hand made for each customer to your exact specification. We can provide this with a vast range of colours, disc styles and pad types. HI Spec Motorsport have been established for years and have won many engineering awards for their products.

We have now added all the Hi Spec Motorsport billet 4 conversion kits on-line, these are searchable by make and model to make it easier to find the exact kit you require.

Hi Spec 325mm Billet 4 kits

We strongly recommend upgrade the front brakes on your vehicle before looking at other braking solutions or rear kits. A high percentage of the stopping power is achieved through the front brakes and should be more powerful than the the rear brakes.

 

How can i help?

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!

Welcome from Garreth at GSM Performance

A big thanks from myself, Garreth, for visiting my e-store. My family-run, motorsport equipment showroom is based in the heart of the UK and we specialise in motorsport safety equipment for every motorsport fanatic. From track-day fans to the hardcore rally drivers.

We appreciate each and every customer that entrusts us to provide them with their new racing parts!