Retro Wheels On A Buick Gn

[MAK567]

I Am Looking Into Buying Centerline Retro Wheels In 17x8 Frt And 17x9.5 Rear .i Will Be Installing Afx Tall Spindle And C-5 Brake Setup.question Is Will This Wheel Clear The Calipers And What Backspacing Frt And Rear,looking At 4" For Frt And 4.75" For Rear.if Anyone Has A G-body With These Wheels Pictures Would Be A Great Help.