Description
This is a New Brake Master Cylinder for a MGB 1963 to 1967 with a Single line braking system. Made in the original bore size of .75 (3/4 Inch) for a perfect replacement. Buy a quality brake master cylinder for your MGB. Don't forget new brake fluid to go into your new cylinder. Cross Ref.# 180-755, 4222-139, GMC150, L4222-139, LM12139, 180-757
