Athena Piston Kit Aluminum Alloy For Yamaha YZ 250 X 99-24 S4F06640019A ktm-mxc-450-racing-2004-esi7123174 (1) M6 T-Nut

(1) M6 T-Nut

Brand UFO Vendor Part Number KA03712#001

and oversized alloy pins for added strength

72 cm W x 27

Athena Piston Kit Aluminum Alloy For Yamaha YZ 250 X 99-24 S4F06640019A ktm-mxc-450-racing-2004-esi7123174 (1) M6 T-NutHigh resistance to mechanical and thermal stresses Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions Equipped with piston rings that guarantee less friction with the OE cylinder producing a higher performance Made by reverse extrusion For OE cylinder. Compression Ratio Imperial Stock Product Type Piston Kit Vendor Part Number S4F06640019A