Universal Fitment: 2012-2018 Ram 1500 (2WD + 4WD),2019 2020 2021 Ram 1500 Classic(Only 5 Lug Vehicle) Specification: Bolt Pattern:5x5.5"???5x139.7mm)| Hub Bore:77.8mm| Thickness:1.5"(38.1mm)| Stud/Nut Thread Pitch:M14x1.5| Quantity:4 PCS. Recommended torque: 85-95 FT/LBS Build Quality: Forged 6061-T6 aluminum alloy,stronger and lighter than steel. Grade 10.9 geomet studs(SGS Test Approved),reduce vibrations and stress on lug nuts,keep a good driving experience. Black anodized surfaceare,provides corrosion resistance Aggressive Driving Experience: Positions your wheels 1.5 inches outward to correct tire rubbing issues, widen your vehicle base, increase tire clearance to improve stability, give your vehicle an aggressive stance and allow for better handling characteristics Warranty: Please recheck your vehicle compatibility (year/make/model) in the product description before purchasing the wheel spacers. We offer a "30-day refund, 24-momth free replacement" service. If you have any questions, please feel free contact us,we will provide you with the most satisfactory solution