Standard Main Jet #89 HO122-89 ARP fasteners Gloss Black 45° Silicone Elbow

Gloss Black 45° Silicone Elbow Hose 1-1/2" (38mm) I

The Spider is part of a two-piece design and can be used with Edelbrock base plate # ED2992

Moly/graphite compound

150" offset

AF111-024-15MBLK

Standard Main Jet #89 HO122-89 ARP fasteners Gloss Black 45° Silicone ElbowStandard Main Jet #891 4 32" Thread, . 1045" Hole Size (Pair) HO122 89 122 89 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.