Series Sponsors Shockwave Signs is one of the leading signage shops in the Upper North Shore, and has been providing signs to customers for more than 20 years. Hankook develops and manufactures tyres for a variety of road and race applications, and is the control tyre supplier for NSW Production Touring Cars. Bilstein suspension technology is used across the motorsport world, including Formula 1, World Rally, touring cars and endurance racing. Founded in 1978, Allworth Homes has become recognised as one of the most efficient builders in NSW, specialising in single and two-storey residential dwellings. V-Sport specialises in motorsport vehicle and driver products, including brakes, seats, harnesses, helmets and other essential items.