Bolts that hold the pressure plate to the flywheel are 5/16-18 x 7/8" grade 8 Not a common length. And all 6 need to weigh the same (+/-?), as they are at the outside of the rotating mass. Frank DuVal On 2/11/2017 9:25 AM, Brian via VirtualVairs wrote: > Would someone please tell me the size, length and pitch of these bolts. Thanks in advance.