Athena P400250100030 300cc Big Bore Cylinder Kit (85mm Bore) - Forged Piston Performance Upgrade, Converts 250cc to 300cc, Compatible with Kawasaki KX250 & KX250X 2023-2024 Power Source 3/16" Rivets Aluminum

3/16" Rivets Aluminum

A hidden battery pass-thru pocket construction allows for front or back battery placement

designed for off-road enthusiasts and professional riders

while the 48 in

Athena P400250100030 300cc Big Bore Cylinder Kit (85mm Bore) - Forged Piston Performance Upgrade, Converts 250cc to 300cc, Compatible with Kawasaki KX250 & KX250X 2023-2024 Power Source 3/16" Rivets AluminumUPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your 250cc four stroke engine with the Athena Big Bore Cylinder Kit (Part No. P400250100030), a premium race proven package engineered in Italy to seamlessly convert your factory setup into a high revving, high output 300cc powerhouse. Entirely cast from high grade aluminum and treated with a specialized Motor