It's a 1108cc engine from a Renault 5 super. This engine won't fit a Renault 4 without major surgery.
Either to the engine or the car. It won't give you any advantage power wise.
Designed for transverse application
Common parts to r4 1108 are
Pistons liners crankshaft con rods pushrods and rocker gear
Nothing else is same as in line version