The PROX piston is designed for 2T KTM 65 SX engines (2000-2008). Made from aluminium and cast to tight tolerances, it delivers optimal compression and enhanced durability. Key features: Ø 44.97 mm diameter with +0.01 oversize, domed head, valve machined, two intake passages, and Mos2 skirt treatment to reduce friction. Manufacturer reference 01.6022.B (old 9557DB). Compatible with the KTM 65 SX range and common KTM spare parts (e.g., 260215, CP1210C, 400442). Benefits include improved compression stability, heat resistance, and long service life. Ideal for stock or performance setups, offering reliable performance at a competitive price.
