pistons

I am having a problem with the brakes and am wondering if anyone might have seen something similar, or have a solution? My car has the Tilton floor pedal assembly with balance bar, Brembo brakes and (currently) 5/8" Wilwood Master cylinders. There are about 100 street miles on the car and brake...

Used steel 289ci rotating kit. Internally balanced knifed edged steel crank, 2" big ends. 927" pin, 5.7" steel H beam rods giving an excellent rod ratio. 0.030" over pop up forged CP pistons. New set of Clevite big end and mains bearings with kit. £650. Parts location NN14