The ETK44 is compatible with B-series engines including B16A2, F-series engines (F18A3, F18B2, F18B4, F20AF, F20B3, F20B5, F20B6, F20B7, F20Z1, F20Z2, F22Z2, F22B5, F22B8, F22A2, F23A7, F23Z5), H-series engines (H22A5, H22A7, H22A8, H23A2, H23A3), and J-series engine J30A1.
