Holley 0-3310S Model 4160 Street Performance 750 CFM Square Bore 4-Barrel Vacuum Secondary Manual Choke New Carburetor<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Power valve blow-out protection adds trouble free operation</li><li>Dual feed fuel inlet with vacuum secondary</li><li>Silver finish with center hung floats</li><li>Manual choke for easy control of engine warm up</li><li>100-percent wet-flow tested and calibrated for street drivability</li></ul></div><img src="http://ecx.images-amazon.com/images/I/513LqM3b%2BQL.jpg" noproxy>