Air Cooled VW Flywheel and Flywheel Drill Fixture allows drilling of four additional dowel pin holes in the crankshaft and flywheel of your Type I, II or III air-cooled VW. Drill Fixture aligns with the 2 existing pins and attaches with supplied hardware. One of the dowel pin holes is located in the customary one-hole offset pattern. Made of heat-treated alloy steel.