273 engine needs cam and lifters

Would they mount up to the Trans? I know the 318 would but what about the 360?
Both will mount up but you will need to be concerned with the torque convertor register in the end of the crank and the 360 is externally balanced and needs a different flex plate or weld weights to the convertor to balance it properly. If you replace the cam a Isky E4 is a popular one. It is a solid lifter cam like the original and similar (but slightly larger) specs.