2pcs 38mm (1.5") 5x4.75 Wheel Spacers fits Corvette Camaro Pontiac Firebird S10 Blazer S15 Jimmy 2x Brand NEW Silver Wheel Adapters Vehicle Bolt Pattern 5x4.75 Wheel Bolt Pattern 5x4.75 Hub Bore 87.1mm Thickness: 1.50" Inch (each spacer) Thread Pitch: 12x1.5 REQUIRED that you Check your vehicle compatibility in Product Description BEFORE buying T6 6061 Billet Wheel Adapters 12.9 Grade Steel Threads Mainly used to give your vehicle an agressive stance, and will help with any clearance issues (if present) CNC Machined Usings Aerospace Aluminum