Detroit Truetrac & 3.9 Diff Gears to suit Holden/Ford
Detroit Truetrac Part # 913A707 Motive Gear 3.9 Diff Gears Part # 86391 New Crown Wheel Bolts included Fits following vehicles: V8 VY-VZ One Tonner & Crewman Falcon BA, BF, FG XR6T and XR8 models including FPV If ad is up it's still available