Polaris Scrambler 500 (1998-1999) TUNE UP KIT w/ Spark Plug, Oil Filter, Air Filter, Fuel Filter, & Carb Rebuild Kit Each Kit has a Oil Filter (105), Air Filter (502), Fuel Filter (101), Spark Plug (BKR5E), and a Carburetor Rebuild Kit (507) Carburetor Kit contains everything you need to rebuild one Polaris carburetor. Includes: Gaskets, O-Rings, Needles, Seats, Springs, Float Valve and Jets Built to Polaris Standards Ships USPS Fast and Free