If your F2, or F4 / C6, off-road levers aren't feeling as good as they used to, get this rebuild kit and add some years to your levers. F2 Kit Includes: Two (2x) blade pivot bolts. Two (2x) blade pivot locknuts. Two (2x) new style pivots. Two (2x) Delrin spacers. Two (2x) springs. Two (2x) acorn nuts. Two (2x) set screws. Note: This rebuild kit also works for 1st gen F2 levers [F1] and 1st gen F4 levers [F3]. It will not work for F3 Sport levers. F4 / C6 Kit Includes: One (1x) right push shaft short. One (1x) left push shaft short. One (1x) right push shaft long. One (1x) left push shaft long. Four (4x) new style pivots. Two (2x) Delrin spacers. Two (2x) ball bearings. Two (2x) detente springs. Two (2x) push lock screws. Two (2x) springs.