Charger, Road Runner, & Super Bee Authentic Restoration Guide written by Paul Herd page 95 states, Master Cylinders 1968 "The cylinder itself should be painted cast-iron gray to simulate the fresh-cast look, and the cover and hold down clamp should have cadmium gold appearance. Page 95 goes onto state The Federally-Mandated dual circuit cylinder first appeared on 1967 models. Both 67 & 68 used Part number 2808599. Chrysler Muscle Car Parts Interchange Manual written by Paul Herd page 85 shows part number 2808599 applicable to 1967-69 Barracuda, Fury, Monaco, Newport, New Yorker, and Polara. 1967 - 68 Belvedere, Charger, and Coronet, with drum brakes. Used in both power and non-power assisted applications.