Check the listing for details. Rochester 2GC Small Base Carburetor Accelerator Pump Assembly Tri power Marine. Condition: New. Listed at 14.95 USD. Why buy from Carb Junkys? Everything we sell comes with expert customer service and technical support; from our meticulously restored Carb Junky's signature carburetors, to our vintage NOS parts. If you don't see what you are looking for, give us a call or write us an email. We are always happy to hear from you. If there is a reason why you cannot give us a complete Five Star rating, we want to know about it. Buy with confidence from the experts. Buy a Carb Junky’s carburetor; the quality experts. Item Description: Accelerator Pump Assembly For 2GC Rochester Small Base Carburetor 64-414 Rochester 2 Jet, 2 Barrel carburetor accelerator pump 2.5" overall x 21/32SPECS:Overall length: 2.5 (when fully extended) Stem length: 1.95" Cup diameter: 21/32 Have a question about your application? Message us. We're always happy to answer. May God bless you and thank you for choosing Carb Junkys!