pls confirm The size of the product meets your requirements before you purchase<br>Note:please allow 0.5-1 inch difference due to manual measurement.1inch=2.54cm<br><br><b>Size:</b><br>Dimension manifold intake diameter:30mm<br>Air intake outer diameter:50mm<br><b>Replacement for:</b><br>Helix CN250<br>Elite CH125 CH150 CH150D<br>Joyner Sand Viper 250cc 250 series such as SZ250DL<br>Roketa MC-13-250 VIN-Prefix BALI/LJ4/L8Y<br>Roketa MC-54-250 VIN Prefix LJ4/L8Y<br>Roketa MC-62-250 VIN Prefix L4S<br>Roketa MC-68A-250 VIN Prefix LJ4<br>Baja Reaction BR250<br>Baja Dune DN250<br>and other water cooled 250cc engine<br><b>Package Included:</b><br>Carburetor ​x 1pc<br>GOOFIT Keychain x 1pc<br><b>About After-sales service:</b><br>First of all,we sincerely apologize to you for returning exchange or refund caused by any reason.Please be assured,no matter what the problem.Please contact us first,we will do our best to solve any problem for you.We attach great importance to every customer.Your satisfaction will be our greatest impetus<br><b>About GOOFIT:</b><br>GOOFIT was established in 2000.We are a leading website selling,ATVs parts,Go Karts parts,Dirt Bikes parts pocket bike parts,Moped scooter parts online<br><b>Company Culture:</b><br>We are committed to providing the best products and services for our customers