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Carburetor Exhaust Muffler Stage 2 Kit For Predator 420cc 301cc GX340 GX390 11HpABout this items;Fitment: This 420 carburetor kit is compatible with mini bike go kart lawnmower water pump pressure washer with Predator 301cc 8hp, 420cc 13hp, GX240 8hp, GX270 9hp, GX390 13hp engine, Brig* 1450 305cc engine
Improve Power & Performanc*: It takes a larger dose of the air mix to run the larger engine at peak performanc*. Our PZ30 carburetor air filte* kit is designed to improve the performanc* and power by delivering a precise mixture of fuel and air to the engine, resulting in stable idle speed, smoother power output and air flow, better acceleration and throttle response
Improved 420cc Exhaust Muffler: The improved silencer and exhaust use excellent welding technology to make the mini bike exhaust muffler more solid, solving the problem of silencer breakage during the ride to a great extent
Size: 30 mm (1.18\") engine side intake of PZ30 carb provides more fuel / air mix for bigger engines, 40 mm (1.57\") filte* side intake, 48 mm (1.89\") engine mounting distance, pls check the intake manifold\'s mounting hole distance of your engine is 48 mm to makesure our PZ30 carburetor kit is suitable for your engine
