Holley Standard Main Jet #101 (HO122-101) Mazda BT50 Need to feed some serious

Need to feed some serious horsepower

If you're looking for that original Flowmaster sound this is the muffler is for you

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0870" Hole Size (Pair)

Bore size – 86

Holley Standard Main Jet #101 (HO122-101) Mazda BT50 Need to feed some seriousHO122 101 HOLLEY MAIN JET #101 . 126 1 4 32" Thread, . 126" Hole Size (Pair) Part Number: HO122 101 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.