Holley Accelerator Pump Discharge Nozzles .037 in HO121-137 Cylinder Head and the other is a

and the other is a very fine screen to capture the smaller ones

3L | Fuel Injected | Deluxe Dressed w/ Pulleys - Polished

302 351W Engines Ford passenger cars

Die-Cast Aluminum

Holley Accelerator Pump Discharge Nozzles .037 in HO121-137 Cylinder Head and the other is aAccelerator Pump Discharge Nozzles, Squirters, . 037 in., Straight, Pair Pump Discharge Nozzle Style: Straight type Pump Discharge Nozzle Size (in): 0. 037 in. Pump Discharge Nozzle Gaskets Included: Yes Quantity: Sold as a pair. Holley accelerator pump discharge nozzles are invaluable when it comes time to tune your accelerator pump system. By keeping a good selection on hand, you can effectively adjust the rate of fuel delivered to your engine by