Rocketeer, a UK company known for swapping Jaguar V-6 engines into Mazda Miatas, is expanding its operations to the US.The company offers turn-key builds or DIY kits of its MXV6 car, featuring Jaguar V-6 engines, at affordable prices.The Jaguar AJ30 V-6 engine used by Rocketeer is all-aluminum, lighter than Miata's stock engine, and can produce up to 375 horsepower.In addition to engine swaps, Rocketeer also works on restomods and is developing an ultra-light car with a target weight of under 1,900 pounds.