OTC, a business unit of SPX Corporation, is proud to introduce its new line of GM Cam Tool Kits used specifically for servicing timing belts, chains, head gaskets, or completing valve train repairs and even water pumps on GM vehicles. Based on the OE design, the OTC Cam Tool Kits cover more than 90 GM model-year-vehicle applications and include all of the necessary components to service or repair GM engines as well as locating both intake and exhaust cams. Packaged in a durable, plastic molded storage case with separate compartments for each piece; all cam tools can be kept organized and easily found.