Kit contains two special size hex nuts and two black parkerized lockwashers for the rear brake shaft

it can also be applied in gearboxes

Open end: 7

Attaches to bottom of fork stem with a 1/4-20 threaded flathead allen bolt

performance machine 125x4b 4 piston front brake caliper for harley 15OM Kit contains two special sizePerformance Machine 125X4B 4 piston Front Brake Caliper for Harley Davidson This Performance Machine brake caliper is a direct bolt on for your Harley Davidson, no modifications or extra brackets needed. One of the highest performing brake calipers available. Designed to slow down fast, without flexing. Performance Machine has been in the forefront of brake caliper design, ever since 1982. Each caliper and bracket is precision CNC machined from billet