The Oil Analysis Company | Home Page | Oil Sample Kits | Weber Carb Parts | Chemicals | Porsche Posters | Contact Us | FAQs | Shopping Cart | Links Page | Links Page 1 | Carb Tuning | Security & Company Info Air Adj. Screw $6.50 Air Adjusting Screw - shown as p/n 57 in most diagrams.  This screw has the locknut (not supplied w/screw) as shown in the image.  3 req'd per Carb. Price is for 1. Related Items Here are some products that may also be of interest to you: • 3 Barrel Linkage Kits • 3.6 Intake Manifolds • 911 Intake Manifolds • Acc Pump Body Cover • Accel. Pump Spring • Accelerator Pump Diahragm • Air Adj. Screw • Banjo Bolts • Banjo Bolt Washer • Banjo Gasket • Carb Base Gaskets (6) • Cup Washers • Emulsion Tubes • Inlet Discharge Valve • Float Level Gauges • Floats • Fuel Bars with AN Ftg • Fuel Bars with Hose Barb • Fuel Filters • Fuel Pump • Idle Jet Holder • Idle Mixture Adjusting Screw • Idle Adjusting Screw • Jets • K&N Vapor Kit • K&N Watershields • Main Jet Carriers • Manifold Gaskets - 12 pack - • Needle Valve • O-Ring • Plug, Needle Valve • Pump Studs • Pump Body • Pressure Control Kits • Rebuild Kits - 2 barrel • Rebuild Kits - 3 Barrel • Secondary Venturi's • Shaft Bushing • Spacer Kit • Synchrometer • Top Cover Gasket • Velocity Stacks • Venturis - Main