Master cylinder port size Anyone know for a 73? They list two

[NG8264723]

Advance has two listed and they are both order only.  The car is a 73 MAchi with disc drim power

thanks

chris

 

[Don C]

You need the one that has to different sizes of outlet, like this one:

https://shop.advanceautoparts.com/p/wearever-master-cylinder-master-cylinder-domestic-10-1526/5351022-P?searchTerm=brake+master+cylinder

 

[NG8264723]

Primary Port Size: 7/16 x 24

Product Condition: Remanufactured

Master Cylinder Material: Cast Iron

Mounting Hole Quantity: 2

Bore Diameter (N): 0.937"

Installation Hardware Included: No

Secondary Port Size: 1/2 x 20

Port Count: 2

Product Condition: Remanufactured

Master Cylinder Material: Cast Iron

Mounting Hole Quantity: 2

Bore Diameter (N): 1.000"

Primary Port Size: 1/2 x 20

Secondary Port Size: 9/16 x 18

 

[Don C]

The Advance 10-1526 states it is for front disc, rear drum, 0.937 bore.

 

[NG8264723]

I c

I don't know I Missed that

Thanks!