“Customer Service good delivery good item does not quite fit without some altering , item listed may work on regular monte Carlo not mine .I have the ss addition difference is thread pitch at abs block is 11 x 1.5 not 10 x 1.0 like one delivered also ss addition has a portioning valve behind drivers side rear tire so line will have to be cut & reflared after find out those threads an get fittings other than that lines should work .”