A set of 4 OEM quality 3" wheel spacer adapters are 1.50" per side and will fit all vehicles with a 5 x 4.5 to 5.45 wheel bolt pattern with 1/2 RH threads.
A set of 2 OEM quality, 3" (1.5" per side) 6x135 Wheel Spacers Adapters M14X2.0, enough to widen two axles 3.00" total (one spacer in kit for each wheel on axle).