Holley Main Jets 77 #122-77 2533650 HTHS Viscosity

HTHS Viscosity

M12 x 50mm Set Screw 10 pcs

by 45° downwards and by 90° upwards

-Solid Carbide 4 Flute EndMill R30 N -Suitable for

This bar has a 25mm Shank using a TNMG1604

Holley Main Jets 77 #122-77 2533650 HTHS ViscosityThese metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main Jets are flow tested and then stamped with the correct number. Standard Main Jet . 077" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500