More than 100 ULTRA4 cars are expected to return to Glen Helen Raceway for the 6th Annual 4 Wheel Parts Glen Helen Grand Prix. This will be the second race of the 2016 ULTRA4 Trail-gear Western Regional Series. Many of the cars expected to compete also raced in the 2016 Nitto King of The Hammers presented… Continue reading ULTRA4s Return to So Cal – 4 Wheel Parts Glen Helen Grand Prix