2 QTY ATV Wheel Spacers 4" (2 inch Per Side) fits all 4x137 bolt patterns - CAN-AM Bombardier Renegade Outlander Commander Kawasaki Mule Prairie Brute Force Bayou 4x137 USA CNC Machined + High Performance Aerospace Grade Aluminum Wheel Bolt Pattern: 4x137. Vehicle Bolt Pattern: 4x137 Thickness: 2" per spacer. Color: CNC Machined Polished Aluminum Finish Hub Bore: 171.5 mm. Thread Pitch: M10-1.25 Please confirm compatibility with your vehicle before purchasing