Jims Cylinder Torque Plates

Cylinder torque plates for 3.4375"-4" bore size (87.312mm-108.00mm), 1984-2000 Evolution Big Twin. Also for 1986-2022 Evolution Sportster and air cooled Buell when used with ZPN 794742 Torque Plate bolt kit

Jims cylinder torque plates are essential to check cylinder measurements accurately. These torque plates simulate stress conditions when boring and honing and are lasered with the correct torquing sequence and fit both stock and most big bore cylinders.