Holley 0-4412S Model 2300 500 CFM 2-Barrel Manual Choke New Carburetor Reviewhttp://tinyurl.com/qd2btnu Holley 0-4412S Model 2300 500 CFM 2-Barrel Manual Choke New Carburetor Power valve blow-out protection adds trouble free operationSingle feed fuel inlet with center hung floatSilver finish and factory 50cc accelerator pumpManual choke for easy control of engine warm up100-percent wet-flow tested and calibrated for street drivability