38mm is the size of the rubber intake diameter size of the air filter that connects to the carburetor..
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The carb kit comes with everything shown in the picture for ultimum performance!
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Main Jet for most 4-stroke carburetors are 0.75mm. This jet packs comes with a 0.91mm jet,, 0.95mm, 1.00mm jet, 0.83mm jet, 0.87mm jet, and a 0.79mm jet. This jet kit wont fit the 20mm to 26mm carburetor. It fits the 17mm, 18 mm, 19mm 4-stroke carbure
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4-Stroke Performance Air Filter. The large cone style, is 3 1/2 inch tall. Smaller version fits everything, the large ver. might not fit all bike frames. Please, Measure before you buy.
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List: $85.00
Price: $64.95
You Save: $20.05 (24 %)
Eliminates REV LIMITER for more usable RPM'S! Increase 4,500 RPM right off this box! Stock 5500 RPM. Increase over all performance! Fits all 50cc, 70cc, 90cc, 110cc, 125cc 4-Stroke Bikes, Choppers, Dirt Bike & ATVs
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Boost you Low End Torque or High End Speed with these Race Sprocket. Fits 50-110cc 4-Stroke bikes
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Superior Quality Light Weight Aluminum Handlebar for you XR50 Pit Bike, Install One and Feel the Difference!
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High Flow Foam Air Filter for 4-Stroke Bikes
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High Flow 4-stroke Washable Foam Air Filter. The small air filter is about 3 1/2 inch tall, the large is about 5 inch tall.
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List: $85.00
Price: $49.95
You Save: $35.05 (41 %)
Eliminates REV LIMITER for more usable RPM'S! Increase 3,000 RPM right off this box! Stock 5500 RPM. Increase over all performance! Fits all 50cc, 70cc, 90cc 110cc Chinese 4-Stroke Bikes, Choppers, Dirt Bike & ATVs
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The aluminum screws are design to hold your body panel to the bike frame. These screws has been anodized, so the paint will last longer then standard paint jobs.
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19mm carburetor w/hand choke and wide intake manifold increases throttle response, low end torque and top end. Fits 50-110cc 4-Stroke Bikes.
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Helps to cool your motor. Easy to install, just remove your motor dip stick and screw this engine breather on.
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With this Super coil, you get more complete and faster combustion, resulting in increased horsepower and torque.
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4-Storke HP Fuel Link (4 feet)
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Extra wide Intake Manifold increases throttle response, low end torque and top end. Fits 50-100cc 4-Stroke Bikes.
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