KOSO High Flow Injector for Honda Grom 125. Direct fit upgrade for Honda MSX Grom 125 with 170cc Big Bore Engines.NOT AVAILABLE FOR SALE OR USE IN CALIFORNIA.ANY ORDERS FROM...
KOSO Intake Manifold for 4 Valve Head Honda Grom 125 - 170cc Replacement Intake Manifold and Gasket for the KOSO 4 Valve Head. Will not work with stock GROM...
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION-CONTROLLED MOTOR VEHICLES170cc Big Bore kit with 4 Valve Cylinder Head kit for (2014-2020) Honda Grom MSX 125 and (2018-2021)...
Koso Hurricane Racing Drop-In Replacement Multi Air Filter for Honda Grom MSX 125 (2022+). NOT AVAILABLE FOR SALE OR USE IN CALIFORNIA. Hurricane Racing Air Filter Want better...
Need to monitor your engine temperature? Koso's Mini 3 Cylinder Head Temperature meter is designed especially for 2014-2020 Honda GROM® which is the perfect addition for you. Its peak recall...
Koso Hurricane Racing Drop-In Replacement Multi Air Filter for Honda Grom MSX 125 (2014-2020).NOT AVAILABLE FOR SALE OR USE IN CALIFORNIA.Hurricane Racing Air Filter Want better performance with a simple...
Koso's Mini-3 Air/Fuel Ratio meter is designed especially for Honda GROM 125 (2014-2021) using the OEM existing narrowband o2 sensor located on the right side of the cylinder head. Direct...
KOSO 4 Valve Big Bore Piston and Rings ONLY Honda Grom 125 (Cylinder is NOT included)Replacement 4 Valve Piston and Rings for the KOSO 170cc 61mm bore. No cylinder is...
Koso's Air Box Connecting Tube has been developed to link Koso’s 34mm throttle body and the stock air box on the Honda Grom 125.Koso's Air Box Connecting Tube has been...