SHINDY Carburetor Repair Kit - Polaris 03-421

A properly tuned carburetor is the foundation of reliable engine performance, and worn jets, seals, and float valves are the most common culprits behind stumbling, flooding, and lean-running conditions. The SHINDY 03-421 Carburetor Repair Kit provides all the precision components needed to restore your Polaris OEM carburetor to factory specifications—without the guesswork or the need for costly replacements. Whether you're prepping for race season or maintaining a high-mileage machine, this complete rebuild kit delivers the consistency and durability that serious riders depend on.

• Award-winning rubber-top float valves
• Plated body resists fuel, ethanol, methanol
• Main and pilot jets included
• Jet needle sets for tuning flexibility
• Float chamber gaskets and O-rings
• Idle, pilot, and air screw sets
• Complete OEM carburetor rebuild coverage
• Japanese manufacturing, premium materials
• Fits Polaris 03-421 carburetors
• Bolt-on component replacement