Product: Tool Number 1: For holding chain securely on sprocket while winding in a new chain therefore avoiding. Tool Number 2: For locking camshafts and setting camshafts in basic position also holds camshafts securely while loosening and tightening sprocket bolts. Tool Number 3: For installing blanking plug back into crankcase cover after removing chain tensioner. Tool Number 4: For release of oil filled chain tensioner releasing tension on timing chain. Application Model / Year .