PartsKing Part Number PKS411 Steel Triple Plated Copper/Nickel/Chrome Fits Chevy Oldsmobile Pontiac Model Vehicles From 1967-1980 GM Vehicles GM Master Cylinder Cover Is Cut From .040 Thick Steel 2 3/4 Inches Wide 5 1/4 Inches Long Note : This Is Not The Only Master Cylinder Cover For Chevy Olds Pontiac Of The Muscle Car Era You Should Check Measurements to Your Original Before Ordering.