16-2531-0 Dual Pedal Assembly w/Throttle Pedal, 3/4" Clutch - 7/8" Brake, fitting size is 1/8" NPT. Fully Polished and ready to bolt-in. Bore sizes included in the descriptions. A Shaft Pin to stop the shaft from rotating within the Pedal Base is included, along with instructions on how to drill shaft and install. EMPI Billet Clutch Slave needs to be ordered separately