![NAMURA 1981-2009 PW50 YAMAHA DIRT BIKE NX-40005 PISTON KIT STD.](http://www.mxstuff4u.com/cdn/shop/products/30002ps_049f74c9-bf8f-4568-a995-144e971e48e5_1024x1024.jpg?v=1542953489)
NAMURA
NAMURA 1981-2009 PW50 YAMAHA DIRT BIKE NX-40005 PISTON KIT STD.
NAMURA 1981-2009 PW50 YAMAHA DIRT BIKE NX-40005 PISTON KIT STD.. The vendor part number is NX-40005. Read title to know what you are getting. Catalog descrition… NAMURA PISTONS. * All Namura pistons have Molybdenium/Teflon skirt coatings that minimize resistance and wear to provide extended life. * All Namura pistons have anodized domes that provide superior heat resistance. * All Namura pistons have super-high silicone content for additional strength. * All Namura pistons have premium world class rings. * Rings will fit OEM pistons.