JASPER Engines has been remanufacturing quality products since 1942 and today we are the nation’s largest remanufacturer of gas and diesel engines, transmissions, differentials, rear axle assemblies, marine engines and stern drives. JASPER has four levels of engine performance for your project vehicle ­ Stock, Class I, the Stock Performance Engine and Class II, each designed for your particular performance needs and desires. We also build performance transmissions. JASPER’s 1600 Associates and 40 branch and distributor locations are committed to providing you with the perfect product. Our processes and procedures are designed to produce a quality component that will meet or exceed your expectations. You know you can trust a company with a mission statement like Do it Right… and Have Fun!