APR LLC provides automotive engineering services. It offers cylinder heads, engine internals, diverter valves, intake manifolds, motor mounts, valvetrain, gauges, induction plumbing, transmission, turbocharger accessories, oiling, suspension, intercooler, turbocharger and clutch systems products. The firm also provides installation on software and hardware products and customer support services. The company was founded by Stephen Hooks in 1997 and is headquartered in Opelika, AL.