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For Holley Carburetor 1/4-32 Gas Main JETS ASSORTMENT KIT 80-89 2 EACH 20 PACK
20 PACK
CARBURETOR MAIN JETS
Sizes - 2 each 80-81-82-83-84-85-86-87-88-89
For Holley Main Jets (20 OF THEM)
Made Of Brass
1/4"-32 UNF Unified Fine Thread
Fits For Holley & Holley Style Carburetors
These Will Come In A Plastic Storage Container
(20 INDIVIDUAL (JETS)
Material: Brass
Applications: Suitable for motorcycle carburetors; for replacing the main jet in modifications and repairs; used to adjust engine fuel mixture concentration, adapting to different displacement fuel ratios.
Working Functions: Precisely controls carburetor fuel injection flow, changing the fuel supply through different orifice nozzles; compatible with air filters, exhaust modifications, altitude changes, optimizing the air-fuel mixture ratio at idle, acceleration, and high RPMs, improving power output and fuel combustion efficiency.
Working Principle: The standard orifice diameter inside the nozzle limits the gasoline flow cross-sectional area. When negative pressure is created in the engine intake, gasoline is drawn out through the orifice and mixed with air in a measured quantity; the larger the orifice number, the greater the flow rate. Replacing with different nozzle numbers can increase or decrease the fuel supply, allowing the air-fuel mixture to reach the engine's optimal combustion range, improving power or reducing fuel consumption, and avoiding problems such as weak power, backfire, and carbon buildup caused by overly rich or lean mixtures.
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