Thunder Tiger has built glow and nitro engines for model aircraft for many years, and this category focuses on the small parts that keep those engines running. The current selection centers on fuel-metering components for a range of Thunder Tiger power plants.
Needle Valves and Assemblies
The needle valve controls the fuel-air mixture at the carburetor, and a worn or damaged one makes an engine hard to tune. Replacements here cover several engine families, including the PRO-25, PRO-36 and PRO-36H, PRO-40/46, GP-07, GP-18, and GP-28. Some are offered as the needle valve only, while others come as a complete assembly.
Because needle valve dimensions differ between engine sizes, matching the part to your exact engine model is the key step before ordering, since a valve from a neighboring size may thread in but meter fuel incorrectly.
The needle-valve-only listings suit a rebuild where the surrounding carburetor body is still good, while the complete assemblies replace the metering section as a unit. Look over the listings to find the needle valve or assembly that suits your Thunder Tiger engine.
 "Thunder Tiger GP-28 Needle Valve Only, NON-WARRANTY, FINAL SALE")
