Crankshaft locking pin camshaft clamp assembly twin cam camshaft timing tool petrol amp diesel primary timing chain pre load tool vanos unit engagement wrench bushes tensioner locking pins this comprehensive set of tools enables the correct timing positions to be achieved on both camshaft and crankshaft whilst replacing the timing chain on both petrol and diesel engines the kit includes a special wrench for controlled turning of the exhaust camshaft sprocket when removing an