A set of 2 OEM quality 3" wheel spacers are 1.5" per side and fits most vehicles with 8 x 6.5 wheel stud pattern with M14-1.5 studs, convert to a 8x170 wheel patterns.
Set of 4 OEM quality 3" wheel spacers are 1.5" per side and will fit most any vehicle with a 5 x 5.5 (5x139.7) stud pattern where you are trying to use.