Compbrake Motorsport Push Type Master Cylinder suitable for use in brake or clutch applications. The body is constructed from hard anodised aerospace grade billet aluminium to provide high strength and light weight. The cylinder pivots on a 8mm I/D high grade spherical bearing to allow it to rotate with the arc of the pedal and the offset of the balance bar, minimising side loads on the piston seals. Small compact and incredibly lightweight design allows installation into tighter envelopes, still utilising all the quality and performance techniques required to withstand the challenging world of motorsport. 8mm I/D high grade spherical bearing - minimise side loads on piston to increase cylinder performance and durability These Master Cylinders are perfect for Classic Cars, Kit Cars, Mot.