This is an OEM quality carburetor rebuild kit with precision machined components for the 2001-2005 Yamaha YFM 660R Raptor four-wheeler. This comes with two kits; one for each carburetor. The kit includes all gaskets, o-rings, springs, main jet, slow jet, float needle, etc, for a complete carburetor rebuild as shown in the photos provided. This carb kit comes complete with a free G&H DISCOUNT ATV SUPPLY & HI-CALIBER POWERSPORTS PARTS decal.