Standard Main Jet #79 HO122-79 Product:1/4-32" Thread, .0890" Hole Size (Pair) also makes them a perfect

also makes them a perfect choice when running aftermarket valve springs

Head Bolt Kit

This 3" V-Band to T4 adapts the turbocharger straight from the turbo manifold

Unlike rubber impeller RV and boat units now in use

Specifically designed for Holden 253

Standard Main Jet #79 HO122-79 Product:1/4-32" Thread, .0890" Hole Size (Pair) also makes them a perfectStandard Main Jet #791 4 32" Thread, . 0890" Hole Size (Pair) HO122 79 122 79 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.