ADD-ON KITS ONLY PROVIDE THE NECESSARY TOOLING TO CONVERT TO BIG-SERT M11x1.5 You must have the original kit P/N 2200. What is Included: Drill, Tap, Bushing, line pin, Inserts and dowels. Second repair after a failed coil style insert. Kit includes 10 inserts of the M11x1.5x30mm p/n J-42385-507BS .  Includes only 2 Head alignment dowels of P/n J-42385-508BS GM style and 2 smaller alignment dowels used in Toyota and Honda P/n 31304. Note: you would need 10 extra inserts and 2 more head alignment dowels to do the entire block V8 block. Instructions are included in the kit. Tool setup video here.