Brand: Moroso Manufacturer's Part Number: 89603 Part Type: Leakdown Testers Product Line: Moroso High Performance Cylinder Leakdown Testers Summit Racing Part Number: MOR-89603 UPC: 084663896033 Gauge Quantity: One Gauge Diameter (in.): 3 1/2 in. Gauge Face Color: White Gauge Number Color: Black Indicates Leakage (%): Yes Leakage Range (%): 100-0 Leakage Range Increments (%): 1 Indicates Pressure: No Hose Included: Yes Hose Material: Rubber Hose Color: Black Hose Length (ft.): 3.00 Adapters Included: Yes Thread Adapter Sizes Included: 14mm， 18mm Regulator Included: Yes Quantity: Sold as a kit. Moroso High Performance Cylinder Leakdown Testers Moroso high performance cylinder leakdown testers feature top-of-the-line components that are calibrated for high accuracy and repeatability. They are housed in a stand-up black powdercoated steel case to make taking readings easier and to protect the components themselves. These Moroso leakdown testers include a long 14mm adapter， short 14mm and 18mm adapters， a tapered spark plug threaded adapter， and two whip lines.