Brake Master Cylinder for Chevrolet Astro G10 P20 GMC G1500 Safari

Product Details
Sensor Included: No
Notes: 【Note-1】 This Part Is Available With Bore Sizes Of 1.125 Inches Or 1.5781 Inches. 【Note-2】 For 1978 G20 With Vacuum Booster, Not With Hydraulic Booster.
Forward Outlet Size: 9/16-18
Reservoir Included: Yes
Bore Diameter (In): 1.125
Rearward Outlet Size: 1/2-20
Number Of Outlets: 2
Product Number: M39578,131873,18010556,18012596,18013435
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