Hell yeah,
The budget built hybrid engine £800~900.
My sump an extra £500
Intercooler / radiator an extra £500
Fuel system an extra £500, lift pump, swirl pot, hp pump, all an fittings.
Turbo another £400, Low miles Subaru Td04 on a home made exhaust manifold custom braided oil and water feeds.
Inlet another £400, custom plenum, 440cc injectors, Mondeo v6 big
throttle body
ecu and loom
exhaust system
engine ancillaries
The list goes on.