KIT CONTENTS: 1x Timing Chain(138 links) 1x Tensioner 1x Guide Rail (left) 1x Guide Rail (right) 1x Timing chain Sprocket (40 teeth) 1x Crank Sprocket (20 teeth) 1x Oil Pump Chain (roller chain 54 link) 1x Oil Pump Sprocket (22 teeth) 1x Guide Rail (oil pump guide rail) 1x Tensioner & spring (oil pump chain tensioner) 1x Oil Pump Sprocket (23 teeth).