GM Universal Aluminum Master Cylinder, 1" Bore

Lightweight GM-style dual reservoir master cylinder designed for disc/drum or drum/drum brake systems. Features a deep piston design for use with either manual or power brakes and includes ports on both sides for flexible plumbing options.

• Lightweight cast aluminum construction
• 1 in bore size
• Suitable for disc/drum or drum/drum brake systems
• Deep piston "bullet" design for manual or power brakes
• Dual reservoir design
• 3/8"-24 inverted flare ports on both sides
• Includes plugs for unused ports
• Universal 3-3/8 in center-to-center mounting pattern
• Length: 8 in
• Height: 5 in
• Height from mounting centerline to top of bail: 3.5 in
• Natural aluminum finish
• Fits many 1964-72 GM A-body applications and 1967-69 F-body applications