JIMS, cylinder torque plates

Used with stock 3.75" (3-3/4") to 3.875" (3-7/8") inch bore cyl. with OEM bolt pattern. Used to measure cylinder measurements accurately torque plates are essential. These plates simulate stress conditions when boring and honing, which prevents distortion of cylinders walls once cylinders are back to the installed condition. Plates are lasered with the correct torque sequence.