Overview Reviews Product Description Work well with clamp-on filters from Prok and Blowsion (w/ 2-3/4" i.d. flange) Required for upgrade to aftermarket flame arrestor Mounting bolts included. ADAPTER 38-42MM KEI SIL Product Videos Custom Field Product Reviews Write a Review Write a Review × WSM Wsm Carburetor Adapter 6665 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *