5.0&SF ad rep Glen Castle swears by Motul [(909) 625-1292; www.motul.com] fluids in his sportbikes, so when we saw the company's automotive fluid display at PRI, we took notice. Motul has a variety of engine oils, gear oils, brake fluids, coolant additives, car care items, and brake cleaning products. Motul boasts 100-percent synthetic engine oils and synthetic blends to meet the needs of your performance Mustang.