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Old April 18th, 2021, 11:24 PM
Simonsays Simonsays is offline
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Join Date: Apr 2021
Location: Los Angeles california
Truck: 1966 3/4 ton
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Default Re: Master cylinder 1-ton 1966

I think as long as the bore size is the same it shouldn't matter. I have a 3/4 ton 1966 and mine takes the round one. You can take your apart and measure the bore size of the piston. I believe I saw it's either 1 inch or 1 1/8 inch.
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