1963 Corvette Standard Brake Master Cylinder Genuine GM Cast 5462389
CAVEAT EMPTOR: A St. Louis assembly line installed original GM master cylinder made in the USA. Not reproduction.
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IDENTIFICATION: the bottom bears the raised part number 5462389 a recessed mold number. The snout has a raised 7/8 identifying the bore diameter. NOTE: according to Joe Ray the repro is nice, but will not pass ncrs evaluation. I note on the repo manufacturers web site there is no indication their repro was made in the USA.
NOTE: interesting posts about the 63 repro ..... hhhhmmm