Dellorto idle adjusting screw, VHB-PHF, PHBH, knurled for slide stopThis is the screw on the side of your VHB or PHF carburetor that you turn with your fingers to adjust the height of the slide, which controls the idle speed.
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Dellorto idle adjusting screw, VHB-PHF, knurled for slide stop :: $3.17
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This same part number may also be presented in these alternate formats: