Tillotson T4 FM22 Needle

Spillo Gas (Conical) Tillotson FM22 - Code 34-550

The original conical gas needle by Tillotson, code 34-550, is the mechanical component that determines the progression and precision of carburetion at medium speeds. Positioned inside the slide, it regulates with extreme accuracy the flow of fuel in the Venturi channel of the FM22 carburetor (T4 series).

Main Features:

• Original Code: 34-550.
• Compatibility: Tillotson FM22 carburetors (Senior, Master).
• Technical Profile: Calibrated profile to ensure a linear engine response and smooth acceleration without power delivery gaps.