Dual master cylinder f100 brakes

[V8 Bob]

Originally Posted by skidmarks

So there is a chance the one I got doesnt have the residual valves. How do you tell ?
Mine was made in China for dorman products.
Both ports on this one is 1/2" fine thread.

GENTLY inserting a small diameter object will detect an internal residual, which is a small spring loaded rubber check valve.

You may have a "generic" master because the OE AMC would have two port thread sizes, not one.




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