Biltwell Carb Top Cv Finned Blk CT-FIN-HD-BK Hand-polished investment cast CNC machined 6061 T-6 billet aluminum available in gloss black powder-coated or raw polished aluminum or in polished stainless steel Fit CV carburetors on late model Harley-Davidson Sportster, Evolution, Twin Cam and custom applications where Keihin CV carb might be used Feature a classic finned look or the popular rippled-water-droplet look; a classic styling element For 1988-06 Harley Davidson models with CV40/44 Carburetors