Complete Cam Chain Tensioner Kit …Includes: New Tensioner, 2 x Chain Guide Rails ( Front & Back) , chain, cam Sprocket & Crankshaft Sprocket. If you have tried changing just the tensioner only before, and still have ‘death rattle’ or one of the rails has failed, you MUST then change the complete kit . The main part that wears ( stretches) is the chain itself . If you change just a broken rail you have not addressed the problem and in time will fail again. Increasing max rev limit on the engine can cause problems in this area to……..
Fits: Gen 1 R50 R52 R53 (One, Cooper , Cooper S, JCW & GP1)