Skip to content

Chrome Brake Master Cylinder 1" Bore O.E. Style, GM, CHEV, Holden

SKU CAL-4475
Sold out
Original price $0.00 - Original price $0.00
Original price $0.00
$111.50 - $111.50
Current price $111.50
Out of stock
  • Chrome Aluminium O.E. GM Style Master Cylinder
  • 1” bore
  • Centre to centre measurement of the mounting bolt holes is 3-3/8”
  • 9/16” and ½” ports on both sides
  • Four port unit meaning you can mount your lines to either side
  • Works for:
    • disc/disc
    • disc/drum
    • drum/drum
  • Shallow pocket
  • 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
  • Can be mounted to original firewall location when not using a booster


  • 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-4475

We ship via Parcel Post with tracking

To ensure reliable delivery we ship via Australia Post.
Order by 2pm to be dispatched the same day (conditions apply).