Built to your specification price dependant on what you want done. example: BGM crank BGM c4 mains and seals DR 70 kit 19mm carb carbon reeds multivar kevlar belt = £370 - just add your own ignition plate, air ducts or water pump and exhaust. this will be a BRAND NEW engine internally in existing cases (PM me your spec and i'll quote you AC or LC (drum brake only)