Standard Main Jet #105 HO122-105 Garrett They do not require offset

They do not require offset rockers of any kind yet are still able to muster flow numbers that are in raised runner head territory

FEFS8346PT

12-Point Head S/Sfits SB Ford 289-302 Windsor

Tee with NPT On Side 1/2" to -8ANBlack Finish

77-5003BLK

Standard Main Jet #105 HO122-105 Garrett They do not require offsetStandard Main Jet #1051 4 32" Thread, . 137" Hole Size (Pair) HO122 105 122 105 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.