HeliCoil 1130 M11 by 1.5 Head Bolt Thread Repair Typically used in Cadillac, Honda, Toyota and other Import vehicles Extended reach installation Stop collar on tool controls the installation depth Custom length inserts (33mm) for proper head bolt engagement The Heli-Coil M11 x 1.5 Head Bolt Thread Repair Kit is typically used in 4.0 and 4.2 liter General Motors engines including Cadillac as well as many other imports such as Honda and Toyota High Speed Steel Drill Bit High Speed Steel Tap Heli-Coil Installation Tool 12 Heli-Coil Stainless Steel Inserts