This is a new top quality Hi-Caliber Powersports Parts carburetor rebuild kit with precision machined components for the 1994-1995 Polaris Sport 400L, 2x4, 4x4, & Big Boss 6x6. Don't waste your time rebuilding your old carb with cheap quality, inferior parts. Rebuild it right the first time with this quality kit and get your old atv screaming again!! The kit includes all gaskets, o-rings, springs, main jet, slow jet, float needle, etc, for a complete carburetor rebuild as shown in the photo above.