Lock head diameter:28mmMedium Single Key IgnitionReplacement for 50cc-250cc Go Kart Dune Buggy Buggies ATV&Dirt Bike PartsWarranty:We are always available to help our customers.Please message us for replacement or refund if you are not satisfied with the order3 Wire Ignition Switch Key for 50cc 70cc 90cc 110cc 150cc 200cc 250cc Go Kart Dune Buggy Buggies ATV & Dirt Bike Parts.We Sincerely Apologize to You for Returning Exchange or Refund Caused by Any Reason. Please be Assured, no Matter What the Problem. 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.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.Feature:1??Item Type:3-Wire Ignition Switch.2??Function:2nd Gear Switch(Ignition,Flameout,Light).3??Material:ABS + Aluminum Alloy.4??The Pure Copper Core has Strong Conductivity, the Rubber has Good I