Wilwood Engineering Tandem M/C Remote Mnt 7/8" BoreWilwood's new Remote Tandem Master Cylinder w Pushrod is available in 4 bore sizes 7 8_x009d_, 15 16_x009d_, 1. 00" and 1. 12" and in two finishes: ball burnished and black e coat. Theyre designed for mount flanges from 3. 22_x009d_ to 3. 40_x009d_, common measurements for most domestic cars and trucks from the mid 1960s to present, and offer fluid outlet ports on both sides of the bore. The stroke is set at 1. 12_x009d_ with a volume ratio of 2: 1