Holley Standard Main Jet #40 (HO122-40) — Fast Lane Spares Skip to content
💸 BLACK FRIDAY SALE LIVE | LINK, HALTECH, PULSAR + MORE | UP TO 40% OFF STOREWIDE!
💸 BLACK FRIDAY SALE LIVE | LINK, HALTECH, PULSAR + MORE | UP TO 40% OFF STOREWIDE!
Holley Standard Main Jet #40 (HO122-40)

Holley Standard Main Jet #40 (HO122-40)

1/4-32" Thread, .040" Hole Size (Pair)
SKU: HO122-40
$30.70 - $30.70
$30.70
$30.70 - $30.70
$30.70
+ GST
Availability:
Low stock, please contact before purchasing

HO122-40 - HOLLEY MAIN JETS, 2 PACK (40)

1/4-32" Thread, .040" Hole Size (Pair)

Part Number: HO122-40

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.