If you have a 4.2L or 4.6L it's a 8.8", if it's a 5.4L, 5.0L or Eco it's a 9.75"
Randy's Ring and Pinion will have everything you need!!
Yukon is a great brand!!
Ingot Silver Metallic 2013 F-150 Supercrew 5.0L FX2
Boss Adjustable Coilovers - ICON UCAs - Nitto Terra Grapplers - Airaid Jr Intake - Banks Monster Exhaust - Mag-Hytec - AMP Steps - Stiffler Traction Bars - Bak Revolver X2 Bed Cover - SCT Tuned By Torrie @ Unleashed Tuning
Built On 11-15-2012
Last edited by Z7What; 07-08-2014 at 07:58 PM.