Standard Main Jet #58 HO122-58 Product:1/4-32" Thread, .057" Hole Size (Pair) Also included is an 180°F

Also included is an 180°F in-line thermostat for activating the electric fan

Designed for the street rod and engine swap market utilising 262-400 cid Chevy V8s with 1996 and later Vortec (L31) cast iron or the Edelbrock E-Tec aluminium heads

Gloss Black 23° Silicone Elbow Hose 3-1/4" (82mm) I

000 psi tensile strength material and proprietary (ARP2000) 220

204-03DBLK

Standard Main Jet #58 HO122-58 Product:1/4-32" Thread, .057" Hole Size (Pair) Also included is an 180°FStandard Main Jet #581 4 32" Thread, . 057" Hole Size (Pair) HO122 58 122 58 These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres 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.