5 hoses, each on both sides with coupling. Petrol Gas Engine Cylinder Compression Gauge Leakage Leakdown Detector Tester. for the following injection systems: K-Jettronic, L/LH-Jetronic, Motronic, Motronic-Jetronic,MPFI, TBI, EFI, DIGIFANT 1/2, CIS-Digital, Spi, Singlepoint, Multipoint.