Triumph Norton BSA Amal 389 Series Carb Adapter Ring(s) for Air Filter PN# TBS-3171


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Absolute top quality, U.S. made, air filter adapter ring to suit both 389 monobloc carbs. (shown here on an old 389 body and fitted to a center mount air cleaner, body and air cleaner not included!). O.D. (outside diameter) is 1.875″, 1 7/8″ or 47.71mm. To fit pancake style air filter to Amal 389 series carbs. If yours is missing, use to install our air filter(s), PN#’s 83-1536 T or 83-1537 T.

For our other sizes of air filter adapters click here.

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