Wish I could help but you were very specific. My truck has a 6 inch lift with 2 inches on the bilsteins and also a 2 inch spacer. I ride on 37's.
2007 F150 FX4 Supercrew, 20x10 Fuel Dunes, 37" Nitto Trail Grapplers, Uniball UCA's, Fabtech 6" lift, 2" lift spacer, Rear AAL's and 5" block, Bilstein 5100's front Procomp MX6009 rear, Volant CAI, Pacesetter Quiktrip long tube headers, X-pipe, high flow Magnaflow cats and mufflers, Bushwackers, Westin brush guard, 20" n 40" LED light bars, custom stereo. Edge PHP tuned, 4.56 gears and Detroit Truetrac.