The B&W GNRM1020 Gooseneck Hitch Mounting Kit fits 2020-2024 Chevrolet and GMC 2500 and 3500 trucks (excludes trucks with CarbonPro Bed).The turnoverball provides a strong, under-bed mounting system that bolts directly to the frame of your truck. The only drilling required is a 4" hole in the bed for the receiver.• Durable powder-coat finish• Bolts to existing holes in the frame with no drilling or welding Bolts directly to the frame of your truck Only requires a 4"" hole in the bed for the receiver Durable powder-coat finish | Gen-Y-Hitch B&W Gooseneck Hitch Mounting Kit (Rails Only)