HERE IS A   NEW MASTER CYLINDER  WITH A DUAL RESERVOIR FOR  MANUAL BRAKES AND 4 WHEEL DRUM BRAKES 

1955 1956 1957 CHEVY HAS THE SINGLE RESEVOIR WITH THE SAME BOLT PATTERN AND PISTON HOLE ROD DEPTH AS THIS DUAL RESERVOIR MASTER CYLINDER.

PLEASE NOTE THAT ONLY TWO OF THE 4 ORIGINAL BOLTS WILL BE USED

 THIS  MASTER CYLINDER HAS A 1" BORE  AND A 1.60" DEEP HOLE FOR THE PUSHROD

 SAME BOLT PATTERN AND PUSH ROD HOLE DEPTH AS MANY SINGLE RESERVOIR MASTER CYLINDERS 

THIS MASTER CYLINDER HAS

Primary Outlet Size: 1/2 INx20
Secondary Outlet Size: 9/16 INx18

I HAVE ADAPTERS TO THE 3/16" AND 1/4" BRAKE LINES IN MY OTHER AUCTIONS