This is a beautiful speedster that has obviously been well taken care of by the owners. Engine compartment: Mercruiser 502 with intercooled Procharger and drive shower. Per the Seller, It has been up to 85 mph on its original home in Montana. The horsepower is estimated by the Seller to be 600+. The horsepower claim is backed up by the information on the pro-charger website which says... "454 and 502 Magnum engines are excellent candidates for supercharging. This is due not only to a moderate compression ratio, but also very rugged components: forged pistons, a steel crank, and ...