HELP..I need some advice

I started to paint my intake man yesterday after taking it to work and beadblasting it,,,i went to paint it...got it all tapped up and discovered a crack on top of the heat crossover where the plenum attaches..this is a torker 340..now i want to replace it ..which manifold should i use for this mild street motor..360 with j heads..iv looked at summitt and moparts..iv looked at M1 torker 11 and rpm...i dont want to pay the money for a air gap..it needs to be VERY streetable and ...IT has a mild cam..will use factory exh manifolds,,any help and or part numers would be highly appreciated...tx..j