Pair of idle pickup tubes with collars. Idle tube and down channel restriction sizes are not one size fits all for the restriction. There are many different restriction sizes from factory production.
FOR WEBER DUAL DCOE CARBURETOR IDLE CIRCUIT JET KIT
Painless Performance 70114 Fuse Block, 3-Circuit, Universal, Kit
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Holley Manual Choke Fast Idle Cam Lever Kit. Fits 2300, 4150, 4160 Carbs.
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Holley 20-92 Fast Idle Solenoid & Bracket Kit for Street Warrior Carburetors