Main Jets, Holley, Carburetor, Standard, 1/4-32 Thread, Pair

Holley Carburetor Main Jets, Standard, 1/4"-32 Thread, Select Size, Pair

Flow-tested brass main jets for precise fuel metering in compatible Holley carburetors

Fine-tune the fuel delivery of your Holley carburetor with these genuine Holley standard main jets. Manufactured from brass with standard 1/4"-32 threads, these jets regulate the amount of fuel entering the carburetor's main metering system. Each jet is flow-tested and stamped with its corresponding number to identify its calibrated flow capacity, providing consistent fuel metering when replacing worn jets or adjusting carburetor calibration. Available in multiple sizes, these jets allow adjustments to the air/fuel mixture to accommodate engine modifications, operating conditions or specific tuning requirements. Compatible with Holley 2010, 2300, 4010, 4011, 4150, 4160 and 4500 series carburetors equipped with standard main jets. Each package includes two jets of the selected size.

Features • Genuine Holley standard carburetor main jets • Brass construction for corrosion resistance • Standard 1/4"-32 threaded design • Individually flow-tested for consistent fuel metering • Stamped jet numbers identify calibrated flow capacity • Available in sizes #62 through #88, even-numbered increments • Allows adjustment of carburetor fuel calibration • Compatible with Holley 2010, 2300 and 4010 series • Also fits Holley 4011, 4150, 4160 and 4500 series • Includes two matching jets per package