These master cylinders offer an upgrade over the older production units. The master cylinders and reservoirs are made from lightweight aluminum. Assembly Kit P5249270 features a 15/16" bore diameter and a 1.42" stroke for the highest volume fluid displacement while maintaining proper pressure. Kit P5249271 features a larger bore diameter for an increased pedal feel.
Bore diameter: 1-1/32"
Displacement: 1.02 cu in
Split: 69% Front/31% Rear
Over 2800 lbs | 
