s s cycle power pk 132 chn wc m8 310 1235Transform the 114 "or the 117" Water Cooled M8 Into 132 ", Adjustable Pressure Relief Valve Can Be Adjusted with Unit Installed in the Engine, S & S Valve Springs Feature High Performance Conical Single Wire Spring Design, Magnet in Cam Chest Deb Scavenge Sections for Flywheel Cavity and Cam Chest, Big Bore cylinder are matched with cam cam plate and oil pump, passage plugs are removable for service, original engine serial numbers are behouden,