Aluminium Master Cylinder 1" Bore, Chrome Finish (4 ports) Fits most GM applications

Upgrade your braking system while adding style to your engine bay with our cast aluminium master cylinders. Available in smooth and finned tops in chrome or black finishes and in 1" or 1-1/8" bore sizes. Includes port caps and shallow bore adapter.

Features:
- 4 Port Design - (2) 9/16"-18, (2) 1/2"-20
- Made for Drum/Drum, Disc/Drum & Disc/Disc brake systems. (Drum/Drum setup requires metering valve)
- Compatible with manual or power brakes
- Dual reservoirs
- Bolt on cap
- GM Universal Mount Spacing (3-3/8")
- Slimline design