88003 M12x1.25 SPARK PLUG REPAIR KIT Drill Size: 31/64Drill P/N: 81076 (sold separately)IncludesQuantitySizeInsert Length88021Tap1M12 x 1.2587024SInstall Tool188034Insert6M12 x 1.25.500"88036Insert6M12 x 1.25.750"