SMGS300

Part Number for 10-11 model year : 4260B-30030 and list price is $76.23ea
Part Number for 07-09 model year: 4260B-30010 and list price is $31.58ea

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Yikes..... If you've never done wheel repairs by yourself, i'd like to add that you take it to a professional shop for installation. I know it's a minor part, but it will most definitely fall off and possible damage something on your vehicle or the vehicle next to you. the wheels go through some insane centrifigual force. And i've had friends DIY wheel stuff before and the wheel's barrel just fell off the car. They used everything from lock-nut to super glue. With absolutely no luck, I think it's the TQ of the bolt but that's just me. All in all it's better to take it to a wheel repair shop for them to tighten it real good and give you that peace of mind.