Linking up with the top British GT series for one round only is the Avon Tyres GT4 Trophy the European GT4 Cup .
The Avon Tyres GT4 Trophy is a wholly new competition created by SRO following conversations with teams from its predecessor .
Linking up with the top British GT series for one round only is the Avon Tyres GT4 Trophy , a wholly new competition created by SRO following conversations with teams from its predecessor , the European GT4 Cup .