A 4a is a 4a and wont bolt up to a starlet in any way shape or form. Its pretty much all custom work with grinding, welding and wiring. The only thing that might fit is the driveshafts from a gt turbo or glanza but that then means both chassis rails have to be cut rather than just one. Its usually at this point most people have been put off... Sorry if this is the case. But if not im more than happy to help any way i can