• Chrome Aluminium Brake Master Cylinder
• 1in bore
• Centre to centre measurement of the mounting bolt holes is 3-3/8in
• 9/16in and ½in ports on both sides
• Four port unit meaning you can mount your lines to either side
• Works for:
• disc/disc
• disc/drum
• drum/drum
• Suits most GM vehicles equipped with power brake master cylinder
• Fits most aftermarket boosters including Cal Custom and MBM, as well as all original GM (same 2 and 4 bolt pattern)
• Considerably lighter than O.E. cast iron master cylinder

NOTE:

When mounting any master cylinder under the floor, residual pressure valves are necessary to prevent loss of brake pressure (they are not usually required for firewall mount kits).
Part Number: CAL-4479