Spec-R Cleaning Clay
Spec-R release a cleaning clay that picks up all of the dirt and dust a car collects on the track. A special formula also absorbs oils and grease nitro engines produce making it ideal for the use on the chassis, suspension, engine and exhaust parts. The clay comes in an airtight storage container that holds 85g of the grey-coloured product.
Source: Spec-R [spec-r.com]