NAMURA PISTON KIT YAMAHA .040 Namura - NX-40080-4

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.