RoadSport 3104 Rear Dual Wheel Great Big Mudder Splash Guard Molded from a heavy-duty, unbreakable, flexible material that lasts for years Great big Mudder extreme is shaped for dual wheels and is 20" x 22.5" - fits the read of all ford, gm and dodge dually pick-up trucks Supplied with instructions and mounting hardware Stainless steel accent packages available, complete with installation hardware Pre-Marked mounting locations for Chevrolet/GMC, dodge and ford can be found on the rear of the splashguard