MOOSE RACING Top End Gasket - Polaris 300 810807

A top-end gasket set is critical for engine reliability—without proper sealing, you're risking oil leaks, compression loss, and premature wear that can sideline your machine. The MOOSE RACING Top End Gasket for Polaris 300 delivers OEM-equivalent sealing at a fraction of the cost, making it the smart choice for both planned rebuilds and emergency repairs. This complete set includes every gasket, O-ring, and seal needed for a full top-end refresh, so you won't be hunting down missing components mid-project.

What sets this kit apart is the attention to detail: each component is engineered for accurate fit and durability, and the high-tech materials ensure reliable performance across varying operating conditions. Whether you're doing a routine piston replacement or raising compression with a thicker base gasket, MOOSE RACING handles the job with confidence-inspiring build quality.

• Fits Polaris 300
• Complete gasket set
• Includes valve seals
• Head gasket included
• Base gasket included
• Exhaust gasket included
• Tensioner gasket included
• O-rings and misc. seals
• OEM-equivalent seals
• High-tech materials
• U.S.A. manufactured
• Bolt-on installation
• Cost-effective rebuild solution
• Optional high-compression base (.012")
• MPN: 810807mse