The M10 inline-four was rebuilt to 2,130cc by Metric Mechanic, and is equipped with a 290° camshaft, dual valve springs, bronze valve guides, 92mm pistons, and a blueprinted oil pump with a bronze bore for the pressure relief valve.Additional work consisted of rebuilding the distributor, re-coring the radiator, zinc-plating the hardware, and replacing the injection pump, alternator, starter, clutch master and slave cylinders, water pump, and fluids.The instruments were rebuilt by Palo Alto Speedometer, and the five-digit odometer shows 50k miles.