Check the listing for details. High Flow Nitrous Bottle Valve for 10LB, 15LB & 20LB Cylinders with PORTS. Condition: New. Listed at 69.95 USD. CUSTOM NITROUS BOTTLE VALVE WITH HIGH FLOW ANGLE OUTLET FOR FASTEST NITROUS RACING FLOW! HIGH FLOWING LARGE ORIFICE NITROUS VALVE FOR 5#, 10#, 15# AND 20# ALUMINUM NITROUS CYLINDERS INCLUDES 1/8" and 1/4" PRESSURE PORTS. BOTH PORTS ARE DIRECT TO CYLINDER HEAD PRESSURE FOR ACCESSORIES .346 Orifice ANGLED OUTLET (8.8MM) CV=1.13 CV FACTOR MAX FLOW CGA 660 ANGLED OUTLET - LARGE ORIFICE FOR MOST NITROUS FLOW1.125-12UNF2A INLET WITH ORING1/8" High Pressure Gauge Port (Plugged with flush hex)1/4" High Pressure Accessory Port (Plugged with flush hex)CHROME PLATED BRASS3000PSI NHRA RACER PIPE AWAY SAFETY DEVICE Manufactured meeting USA CGA V1, S1.1 and G4.1 Compressed Gas Association Standards for DOT/TC Aluminum Cylinders. Direct replacement for NOS16139-R and upgraded replacement for NOS16140 (Make offer for multiple units and wholesale pricing) Warning CA Proposition 65: YES WARNING CA PROPOSITION 65 MESSAGE: WARNING: CANCER AND REPRODUCTIVE HARM www.P65Warnings.ca.gov