34mm Throttle body for increased performance compared to stock 30.5mm throttle body
Intake manifold port is larger than stock and is size matched to use with the Koso throttle body
Includes all gaskets needed and instructions
B. & C. HIGH-FLOW FUEL INJECTOR
Highly recommended for use with the Koso Big Bore Kit and 4 valve cylinder head
Adapter kit is required for installation of the Koso High-Flow injector (sold separately), includes all parts needed for easy installation of the Koso fuel injector
D. INTAKE MANIFOLD
Intake manifold port is larger than stock and is size matched to use with the Koso throttle body
Include all gaskets needed and instructions
E. & F. AIRBOX TUBES
Connecting tube is designed to connect the stock Grom airbox to the Koso 34mm throttle body
Intake tube allows for higher air volume to enter the stock Grom airbox
G. & H. HURRICANE AIR FILTER
Increases airflow and offers improved filtering compared to the stock air filter
Removable foam filter media can be cleaned repeatedly
All of the above parts are not legal for use in California on pollution controlled vehicles. Race waiver available.
All parts listed above are mandatory when using the Koso big bore kits and highly recommended for the Koso camshaft kits.