Mattel Hot Wheels Racing Radical Rides John Andretti Nascar #43 STP is a diecast toy vehicle model of a Pontiac racing car from the 1999 NASCAR season. The car is part of the Hot Wheels Racing series and features the STP branding. The model is 1:43 scale and is part of the Radical Rides collection. The driver of the car, John Andretti, is also featured on the model.