JIMS Cylinder Torque Plate Kit — 3.937"–4" bore, black – 18-26 Softail, 17-24, 26 Trike, 20-22, 25-26 CVO, 25-26 Touring
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SELECT YOUR VEHICLE TO VERIFY THE FITMENT
Required when boring or honing late-model aluminum cylinders; simulates running stress; includes instructions; made in the U.S.A.