SOLEX CARBURETOR Loaded with features for top performance! 47mm air inlet throat for maximum velocity Removable throttle plate and venturi Additional features: ball rod end throttle linkage included; high-flow intake manifold included; optional port for your vacuum advanced distributor; easy-to-reach/tune idle mixture screw; adjustable idle gas jet; large high-performance accelerator pump; removable top for no-hassle tuning of air/main jets; cleanable, reusable air cleaner included.