Rci Tundra Sliders . These sliders feature a full frame support mounting plate. RCI sliders utilize a full frame support mounting plate which serves both to protect your frame from damage, as well as provides an extremely rigid attachment for the sliders by using multiple bolt. 10-19 4Runner Rock Sliders – RCI Offroad (Robert White) After the sliders were the skid plates. RCI sliders utilize a full frame support mounting plate which serves both to protect your frame from damage, as well as provides an extremely rigid attachment for the sliders by using multiple bolt. But damn are they made well. RCI Tundra skid plates are now available in two options, providing the right protection for any application. RCI sliders utilize a full frame support mounting plate which serves both to protect your frame from damage, as well as provides an extremely rigid attachment for the sliders by using multiple bolt. RCI Offroad – 4×4 A