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