1938 1939 1940 Cadillac (See Details) Rear Wheel Cylinders 1 Pair REPRODUCTION Free Shipping In The USA

REPRODUCTION. You are purchasing a pair of rear wheel cylinders. Please note that these have a 1.125 inch diameter piston. If you currently have a different size piston in your vehicle, these will work as long as you replace both cylinders. Please use caution when changing sizes that differ from your original bore sizes.

ATTRIBUTES:

Bore Size: 1-1/8 Inches (1.125 Inches)

Line Thread Size: 7/16 Inch - 20

FITS:

1938-1940 Cadillac Series 75 and Series 90 Models EXCEPT Special Bus and Commercial Chassis (The original bore sizes for these models are 1-3/32 Inch (1.094 Inches))**

**NOTE: Both wheel cylinders would need to be replaced if going to a different size. Make sure your front brake wheel cylinders have a larger bore size than the rear to maintain proper braking ratio.