Injector sleeve cup removal and installation tool kit, model WT3126PD, compatible with C7, C9, 3126B engines and 11977107.Applications: - Compatible with injector 3126B HEUI 10R-0781 - Compatible with 3126/3126B engines - Compatible with C7 and C9 engines - Not compatible with the 12-valve engine head for 3126 Part Numbers: 10R-0781, 10R0781, 1977107, 197-7107, 1986605, 198-6605, 199-6065, 2225926, 222-5926, EX630781, 2272911, 8C0563, WT3126PD Features: - Made from speed steel with anti-rust and anti-corrosion properties for extended service life - Allows access through the cylinder head for efficient installation or removal Package Includes: - 1 x injector sleeve installation tool - 1 x injector sleeve removal tool - 6 x injector cups - 12 x injector O-rings Type: Aftermarket replacement part