Holley 4150 Series Double Pumper Tuning Kit Coil-Over Helper Spring Single Pole

Single Pole

Provides the same performance and exterior tone characteristics as the two chamber

Engine/Crankcase : **Crankcase: (16:1) 2 fl

Brite-Tread

Holley 4150 Series Double Pumper Tuning Kit Coil-Over Helper Spring Single PoleDouble 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