STAGE 3 PERFORMANCE KIT – KOSO 150cc Complete BIG BORE KIT

KOSO 150 Complete BIG BORE KIT

You will save money when purchasing these items as a kit.

This is everything you will need to turn your 2022+ Honda Grom into a little ripper ! The Stage 3 kit is designed to run on high octane pump gas but will deliver big power gains and stay reliable.

The Stage 5 kit includes:

*KOSO 150cc Big Bore Kit w/ Forged Piston. SKU: MB640000

*KOSO Oversize 28mm Throttle Body SKU: DY640000

*Honda PCX150 High-Flow Fuel Injector

*KOSO Intake Manifold SKU: DP640000

*KOSO High Flow Oil Pump SKU: NF640000

*KOSO Cam Chain Tensioner SKU: MU640000

*KOSO Connecting Tube for Airbox (Must use factory airbox)

*DHM ECU Flash Tune