Holley Standard Main Jet #56 (HO122-56) Wheels S13 Silvia "SR20de"

S13 Silvia "SR20de"

Send 13 channels of data over a 2-wire connection

The Holley LS1/2/6 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads

6L DOHC 16v/20v

Holley Standard Main Jet #56 (HO122-56) Wheels S13 Silvia "SR20de"HO122 56 HOLLEY MAIN JETS, 2 PACK (56) 1 4 32" Thread, . 055" Hole Size (Pair) Part Number: HO122 56 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.