Wilwood 260-10372 Short 3/4" Bore Master Cylinder Kit Wilwood Racing Compact Master Cylinder Kit with a 3/4" Bore (Part #260-10372). Wilwood's compact design kit allows for more room that is always necessary in and around the pedal box area This kit gives you multiple mounting options Remote or direct mounted option for either small or large reservoir and convenient 1/8" NPT outlets Ultra-compact lightweight design High-performance race engineering