Lycoming Style Induction Air Box (w/Brackett BA-4106 Filter Adapter)
$200
Did not find a part number.
(At this price? Sold AS-IS, no returns, buyer pays shipping and insurance)
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Bought as a spare for my Tri-Pacer then sold the Tri-Pacer...no longer need this part.
(Fits Lycoming 0-290-D and MA-4SPA Carburetor)