1" bore 4 ports 9/16" and 1/2" - Shallow bore. 1" Bore - shallow. GM Master Cylinder - Universal Application. 4x ports 9/16" & 1/2".
GM Cast Iron Master Cylinder 1" Bore 3/8" 4 ports Universal deep /shallow bore
Helix GM Corvette Style Cast Iron Master Cylinder, 1 Bore
4 Port Bail Top Cast Iron Master Cylinder with 1" Bore GM Street Rod Universal
For GM Universal and Corvette Style Cast Iron Master Cylinder 1" Bore 4 Port
Cast Iron Master Cylinder 1" Inch Bore 1/2" & 9/16" 2 Ports Deep Bore
NEW D52 BRAKE CALIPER & PAD SET W/PINS,FRONT,1.28,BIG GM CAST IRON CALIPERS,PADS