PISTON KIT NAMURA 53.94MM BETA125RR HUSABERGTE125 HUSQVARNATC125 TE125 TX125 KTM125EXC 125SX 125XCWPiston Kit Namura, 53. 94mm, Beta 125RR 18 19, Husaberg TE125 12 14, Husqvarna TC125 14 20 TE125 14 16 TX125 17 20, KTM 125EXC 01 16 125SX 01 20 125XCW 17 20, Features: Machined smooth piston crown to reflect combustion heat while reducing carbon buildup Hard anodized piston crown with a hardness of HRB 105 MOS2 coating to draw heat through piston walls and out the bottom Minimized piston expansion and contraction Pistons are more resistant to wear