About Labwork: Labwork is an Auto Parts One-Stop Solution brand of more than 10 years, which specializes in providing global customers with top-notched quality automotive parts & accessories . If you need any auto parts, its enough to come to Labwork. Features: Heavy duty metal construction Direct Fit, No Modification Needed 1 Years Warranty Part Number:16010B5200 / 16010B0302 Choke Type: Mechanical Choke Bolt Hole Spacing Length & Width: 80.5×44.3mm(Center To Center) Intake Side Inner Diameter(two): 28/32mm Choke Air Horn Inner Diameter: 65mm Choke Air Horn Outer Diameter: 70mm Venturi Diameter(two): 23/29mm Fitment: .