Wheel -Steel Rock Crawler Series 51 Black Wheel Rock Crawler Series 51 Black Wheel; Size 15x8; Bolt Pattern 6x5.5; Offset 0; Back Spacing 4.5 in.; Gloss Black; SPECIFICATIONS: Wheel Size: 15x8 Bolt Pattern: 6x5.5 in. Back Spacing (in.): 4.5 (4-1/2) Finish: Gloss Black Position: N/A FEATURES: Smooth Rolled Heavy-Duty Outer Ring Strong Outer Lip Will Withstand Severe Off-Road Usage Rolled Outer Edge Helps Prevent Tire Damage Legal For Street Use Great Alternative To A Real Bead Lock Made In The USA Pro Comp's Rock Crawler Xtreme Series 51 Black Steel wheels come in sizes and back spacing that fit your needs. The Rock Crawler Xtreme Wheels use the finest materials along with a durable flat black powder coating and state-of-the-art production equipment to produce a superior steel wheel. NOTE: Center cap and lug nuts sold separately. Pro Comp is globally recognized as one of the leaders in off-road technology. Since 1992 we've been manufacturing high quality, durable products for on and off road racers and enthusiasts. Pro Comp is located in beautiful San Diego, California. Thank you for your interest in Pro Comp.