JimsJIMS, head bolt torque gauge 978382 fits 84-17 Big Twin (Excl. M8) (NU) Accurate plate that helps you determine the extra 90° that is to be turned when installing the head bolts. Head bolt torque sequence is lasered on gauge.s Δείτε περισσότερα στον κατάλογο Workshop Home > Workshop > VTwin Tools > Engine Top End > JIMS, head bolt torque gauge