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5-inch wheel featuring a +45 offset and a striking brass gold finish
Enhanced airflow: Improves throttle response and acceleration
Reduces bore distortion and improves piston ring seal
Ensure your KTM engine runs smoothly and efficiently with this top end gasket kit
Koso 170cc Big Bore Kit for Honda Grom (2013-2020) – Enhanced Performance with 61mm Bore dodge-spirit-1993 5-inch wheel featuring a +45Upgrade your Honda Grom with the Koso 170cc Big Bore Kit, designed to significantly boost engine power and throttle response. This kit features a high quality ceramic coated aluminum cylinder for durability and heat dissipation, making it suitable for demanding riding conditions. The 61mm bore combined with an 11. 5: 1 compression ratio forged piston and ring kit delivers increased horsepower and torque, providing a more exhilarating ride. A top end