The Laser Diesel Engine Timing & Locking Tool Kit 2246 is a set of essential tools for setting and locking the camshaft and crankshaft when changing the timing belt on a wide range of diesel engines. The kit contains parts from Laser 1866, 1867, 1868, and 1869 Diesel Timing Kits, and is part of the comprehensive Laser Diesel Engine and Fuel Pump Timing & Locking Kit 2688.