
PROX Forged Piston (manufacturer reference 01.6387.B) designed for motocross use. Made from aluminum using a specific alloy, this forged piston features a flat top and reed cutouts for precise integration under the cylinder head. Its design and forging process provide mechanical strength suitable for the demands of enduro/cross engines.
This piston is intended for replacement pistons for cylinders requiring an oversize B. The machining work on the reeds facilitates the adaptation of transfers and compatibility with the cylinder head during installation. Ideal for riders looking for a quality engine part for engine refurbishment or restoration after wear or boring.
Compatibilities (examples): KTM 300 EXC SIX DAYS 2017, HUSQVARNA TE 300 2017, KTM 300 EXC 2017. However, please check the bore size and manufacturer reference of your motorcycle before ordering to ensure compatibility.