Safe: Air filters prolong engine life by preventing gunk from entering it and reduce emissions while you drive. Compatible: Use the air filter on MudHead, Marauder, and Torpedo 208cc vehicles and LCT and Torpedo 136cc engines. Replacement Part Numbers: Hammerhead part 20820121 and American Sportworks 15491. Product: Includes one replacement air filter and one pre-filter for 208cc and 136cc engines. Reliable: Upgrade your vehicle with our premium parts and drift into superior, long-lasting service. BV Parts has crafted high-quality auto parts from strong materials that seamlessly integrate with your ATVs, UTVs, karts, and scooters so you can enjoy quick installation and get back on the road. Created to prioritize longevity and fuel efficiency our replacement parts take a holistic approach to improve overall vehicle function. Upgrade your vehicle with our premium parts and drift into superior, long-lasting service.