TBB3354 Thomas Lower Door Replacement Kit $241.61 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details has a 7 5/8" tall channel.All door repair kits come complete with new door frame channel welded in place. Guide pins are provided... Details Back Detailshas a 7 5/8" tall channel.All door repair kits come complete with new door frame channel welded in place. Guide pins are provided to align your new door bottoms with your existing door channel.