Features: Elevates your motorcycle performances with our throttle thumb tension screw kit, designed for a precise fit from 1974 to 2017 models. Crafted from metal, this kit includes a tension control knob screw, spring clip, e clip, and spring, ensuring long lasting wear resistance and corrosion protection. For motorcycle enthusiasts, mechanic, and bike owners seeking a reliable solution for throttle maintenance and smooth engine operation. Perfect for restoration projects or upgrades, this kit ensures a smoother ride and enhanced control during long cruises or adventurous road trips. Easy installation with this direct replacement set, making it a must have for maintaining the legendarys performances of your motorcycle. Specifications: Component:Metal Size:Approx.2x2x3cm/0.79x0.79x1.18inch Part Number:56402-83A 56394-74 11155 Package Includes: 1 Set Throttle Thumb Tension Screw Kit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.