Amazon.com: SOFO Stage 1 Kit for 6.5 Hp Engines - For Mikuni Carburetor, Air Filter for Enhanced Performance, for Predator 212 Engine ATV Go Kart Mini Bike (Red) : Automotive
Mikuni Air Box Adapter for HSR 42/45 Carbs - HS42/001-K | eBay
Cycle Standard Mikuni HSR 42/45 Carburetor Adapter for CV Air Cleaners – Lowbrow Customs
Mikuni To CV Carburetor Air Cleaner Filter Box Adapter Complete Kit HS – American Classic Motors
American Made Motorcycle Parts. forcewinder-dominator-air-intake-kit-wpro-series-filter-for-99-08-twin-cam-wmikuni-424548-carbs-polished-part-uf-5013-425ps
Air Filter Adaptor Kit (42mm) – Backwater Performance
Trask Mikuni 42-45mm Adapter – Trask Performance
Carburetor For Mikuni VM 34mm 34 mm Round Slide VM34-168 42-6015 VM34SC Blue - AliExpress
OEM Air Filter Adapter Kit (Mikuni HSR 42) – Fog Hollow
Mikuni Smoothbore Intake Parts - Air Cleaner Element Motorcycle Street - HS42/012