the AVI RAD Ring is an essential upgrade for high-performance turbocharged engines
our gift cards unlock access to premium performance parts
Whether you're hitting the streets or the track
No Reflash/tuning required*
You can check what radiator you have by entering your VIN into PARTSOUQ or a multitude of other VIN parts reference websites
GT63 Tuning by Morendi (X290) GT2door the AVI RAD Ring isOptimum Tuning by ZAC Motorsport Optimum Tuning is ZAC Motorsports in house performance calibration division. Every tune is developed to deliver the perfect balance of power, response, and reliability, customised for your specific vehicle setup. Unlike generic flash files, Optimum calibrations are tailored to your intake, exhaust, altitude, fuel quality, and driving style ensuring the engine operates efficiently in all conditions. The result is