Monroe Formula GP shock absorbers, struts and cartridges have been engineered from the ground up by experts who take driving as seriously as the most demanding performance enthusiast. The ride is proven to be more technically precise, faster, firmer and smoother. On the track or on the street, Monroe Formula GP units give drivers the edge to handle the most challenging curves and straightaways. Monroe's involvement at Bondurant includes special valving for the entire fleet providing better traction and more precise handling.