have a 75mm mass air meter and gunna go with the holley systemax upper and lower intake manifold what size throttle body should i go with? Who makes a good throttle body?

 

70mm would be good.

 

i cant find a ****en adapter piece that is 75mm .. either 65mm or 75mm im like what the ****!!!!!!!!!!!!! cuz im chaging my intake manifold and th eopening is 70 also! and the throttle body is 70 so ... go with 75mm adapter? lol i dunno