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

Triumph Norton BSA Amal Carb Adapter Ring

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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