Need to find this bag cup size PLEASE

Ok I am in need of a bag cup what size fits this?I have a pair of lowers in front of me but i need uppers not sure if ranger or s10 match this please helpOutside diameter of pipe is 4.5 inches with a bag plate on top of it.I need to know asap please..thank you...if you happen to have something sitting aorund that fits this let me know also...

The ones I have measure 5" o.d. and are for a s-10.