Double Pump Carburetors This tuning kit contains a selection of main jets, pump nozzles and power valves, in popular sizes, all contained in a handy and durable, compartmentalized plastic case. Ideal for track-side tuning, this kit provides a quick and easy way to accomplish your carburetor tuning with the correct parts. In addition, the parts case allows you to keep parts organized and readily at hand. a handy parts guide is affixed to the inside case cover. Numbers referenced on the parts guide will assist in reordering components when necessary. Gaskets are included to facilitate carburetor reassembly. THE FOLLOWING PARTS ARE INCLUDED: 4 each of Eight metering jet sizes ranging from #70 to #84 2 #35 Pump Nozzle 2 #37 Pump Nozzle 1 #35 Power Valve 1 #45 Power Valve 1 #50 Power Valve 12 Metering Block Gaskets 12 Fuel Bowl Gaskets -- Miscellaneous pump nozzle, power valve and fuel bowl screw gasketsPit Stop USA offers Holley 4150 Series Double Pumper Tuning Kit 36-182 at low everyday prices. Be sure to check out all of our products from Holley Performance Products including Holley Performance Products Small Parts and Tuning Kits.