- Known as PWK or Keihin carburetors

and motorcycles

BSA or Norton motorcycle a breeze

sourced directly from the original Triumph supplier in England

This is because the cam bungs on the gas tanks are different left to right side

FiltroMax Big Twin Bracket - Black Subcategory_Carburetor Jets & Needles - Known as PWK orFits H D Big Twin & comparable S&S front motor mount bolt patterns CNC'ed billet 6061 T 6 aluminum construction Designed to install Lowbrow FiltroMax Remote Oil Filter (sold separately) between down tubes on custom motorcycles See Related Products below for the Filtromax Remote Oil Filter, this sku is only for the Big Twin Bracket!