Fuel Rail Help?

we have ordered a venom intake manifold and venom fuel rail for this 1997 mits eclipse 2.0 420a enging automatic, we get all the way to the final stages and realize that the fuel line of the car is smaller then
the connection in the fuel rail.... can anyone tell me if the fuel line in the 420a is smaller then the 4g63s or has anyone messed the venom fuel rails on these cars please help
thank you