ignition coil suzuki gt550 gt 550 1972 1977 Yamaha RD250 This performance coil pack has This performance coil pack has been manufactured to upgrade the original coil 33410 19B10 on a LTF300 or LT F 300 for the FX to FK2 models This set of head stock bearings are taper roller style bearings that have been manufactured to replace the original set of steering bearings 93399 99931 and 93399 99932 on a Yamaha XJ900S for the years and models shown above There is no point putting in genuine Suzuki GT550 coils when there are new aftermarket ones available This ignition coil is a great upgrade for coils that are now 40+ years old