This complete 170cc Big Bore kit with 4V Cylinder Head kit is the perfect add-on for all horsepower enthusiast looking for performance! It includes : a 170cc ceramic coated cylinder, forged piston, performance camshaft, bearing, rocker arms, 4 valve cylinder head, intake manifold, gaskets, and more. All parts are made from high-quality components for reliability and durability that allow you to put your mind at ease and ride with confidence!
CLICK HERE FOR INSTALLATION INSTRUCTIONS!
THIS IS AN AFTERMARKET PART BUILT FOR RACING PURPOSES ONLY. KOSO IS NOT RESPONSIBLE FOR ANY DAMAGES CAUSED TO THE PARTS, VEHICLE, OR TO YOURSELF AND OTHERS. ENGINE PARTS ARE NOT UNDER WARRANTY NOR IS COLLATERAL DAMAGE OR COST OF LABOR, IN CASES OF MALFUNCTION.
For more important tips and notes, see Honda GROM® FAQ page or download KOSO's Honda GROM® Caution PDF.
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