JIM S CYLINDER TORQUE PLATES USE ON TWIN CAM MOTORS 1999 TO PRESENT. MFG# 1287
Source: Custom Chrome
Required to accurately bore late-model aluminum cylinders. Simulates stress deformation of installed cylinder. Drilled for multiple applications up to a 4"-bore. The plates for Twin Cam 88® models also fit Screamin Eagle® big bore cylinders. Optional bolts are available for use with Evolution® Sportster® and Buell® cylinders.