Cylinder leak down/leakage tester kit. Dual gauge diagnostic setup. Engine compression loss. Cylinder wear. Supplied in hard storage case. ????Condition AB 31 to AB 38, AB 40 to AB 56, IV 1 to 28, IV 30 to 32, IV 36 & 40, IV 52 to 54, IV63, KW 1 to 14, PA 21 to PA 38, PH 4 to PH 41, PH 49, PH 50.
