Track-tested by record setting, professional racers, the Aeromotive Pro Stock Regulator was designed to be used with the Aeromotive A2000 Fuel Pump (P/N 11202) and other drag race style pumps in either single or dual carburetor applications. Utilizing an extremely light weight valve, aluminum bronze seat, and an innovative opposed-spring design, the Pro Stock Regulator is engineered to be the quickest responding, most reliable, highest flowing regulator on the market. PartNumber : aer13010 Description : Pro Stock Regulator Repair Kit; For 13208, 13210 1755 : No 3390 : Performance 3145 : Universal Title : Regulator Repair Kit 13208, 13210 Carrying Case Included : No Grade Type : Performance Universal Or Specific Fit : Universal California Proposition 65 : WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov. Fuel Delivery::Fuel Pressure Regulators