Fuel & Air

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

Precision CNC-machined from billet and features an O-ring seal for easy and reliable installation Improves airflow with a flow-bench-designed venturi adapter and a larger air filter Replaces the standard airbox cage that allows dirt to damage your engine...

12mm hex design allows for easier tightening, and because it is made from aluminum, it seals better against the carb body than the stock plastic fitting Eliminates the breakage and stripping problems associated with the OEM plastic units Red anodized...

The under-the-float-bowl location of the fuel screw makes it next to impossible to reach Pro Circuit's fuel mixture screw can be turned by hand (without the use of tools) Fits 4-strokes with Keihin pumper carburetors (FCR) Includes O-ring (spring not...