Thread: Is there such a thing as an "HS" stamp for a 309 brake master cylinder
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Old 12-27-2017, 06:28 PM
69novamanrick 69novamanrick is offline
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I agree with the other members that it would be a US stamp. I have one very similar with pitting and its hard to see the "U" of the US stamp. Mine is dated 274. The only other stampings for a 69 5468309 master cylinder that I know of would be the following:

69 Camaro & Nova US Stamp
69 GTO EA Stamp
69 Chevelle BA Stamp
69 Firebird SA Stamp

Ive seen the 5460346 Masters that look similar with ZA Stamp but not sure on those and apps.
Last edited by 69novamanrick; 01-08-2018 at 09:13 PM.
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