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Holley Tunable Metering Block Screw In Emulsion Air Bleeds

 
Holley Tunable Metering Block Screw In Emulsion Air Bleeds
Holley Tunable Metering Block Screw In Emulsion Air Bleeds
The five screw-in emulsion air bleeds on each side of the metering block are sized from the factory beginning at the bottom bleed to top one: 0.031-inch, 0.031-inch, 0.031-inch, 0.020-inch, and 0.020-inch. They give a tuner full adjustability to the 2-bbl's fuel curve to fit any engine brand and combination. View Related Article
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