Excellent full radius Air Horns for top performance.
40mm (red for Solex, MIkuni, Weber, Dellorto 40's ),
48mm( Mikuni 44)
USA CNC Production
Aluminum billet material NOT spun and not universal made.
Mikuni versions are made specifically for the 44mm Mikuni/Solex carburetors with the correct diameter being ~48.2mm at the air entry for uninterrupted air flow.