A Nova R1WC P/S should fit. Since they still make the R1 you should be able to find it.

Don't listen to the other guy. That motor might not win the nats but it is more than capable of winning most any club race. Parts are still available, you just have to figure out which parts work.

Any Nova rod should fit except the one for the 359 and Cordoba motors.

Just make sure the crank is still good before putting any more money in it. If the crank is shot too, get a new motor.