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The Nitrous Express Single-Cylinder PROTON kit with a 2.5 lb bottle is a direct-port nitrous solution for carbureted single-cylinder engines. The system includes the PROTON solenoid assembly, braided stainless hoses, Piranha nozzle, fuel pump, relay, microswitch, arming switch and a 2.5 lb bottle with bracket. Jetting covers 10, 15, 20 and 25 HP for straightforward tuning.
Nitrous Express Single Cyl Proton Nitrous Kit w/2.5lb Bottle
