Throttle Position TPS for Benelli 150S 180S Imperiale 400 Zafferano 250 matched Fit For Benelli 150S 180S Imperiale 400 Zafferano 250 fuel injection with identical mounting shaft, hole spacing wiring plug Simple plug-and-bolt installation; no or extra needed during engine fuel system sensing chip delivers linear throttle angle signals to ; stabilizes idle speed throttle delay during acceleration Heat-resistant sealed outer housing with anti-vibration internal circuit; under long-term engine temperature bumpy road vibration Consistent OEM dimensional tolerance; repairs rough idle, weak power output, hard cold start engine fault warning malfunctions