100% brand new and high quality hydraulic brake master cylinder reservoir assembly.
This master cylinder has one port for the rear brake caliper.
Compatible with Hammerhead model 80T go-karts, TrailMaster Mid go-karts.
Compatible with Mid size American Sportworks and many other Chinese brands.
Hammerhead part#: Compatible with 6.000.305
Overall length of the base : 4 1/4"
the mounting bolts spacing : 1 3/4".
Mounting holes:0.26“