Tire Valve Stem TR413. Product Length: 1.77(45mm). Product Diameter: 0.75(19mm). What You Will Receive. 250 pc Valve Stem. Your happiness with the product is our top concern. Return Product must be unused, intact, and with the original package. If you have any questions or concerns, please do not hesitate to let us know. For Colored Lug Nuts (Any color other than Chrome), we suggest the use of manual torque for installation to avoid damage to the paint layer. If we did not send out something due to any reason, we will contact you in the same day. Contact customer service for help. Q: Can I request to change my address? A: Please send customer service message as soon as possible if you need to change address, once the package was sent, we won’t be able to change address. Q: I did not receive my order, but the tracking information says delivered. You can also make claim directly to them. Q: It won’t fit my vehicle but the description includes my model. A: Compatibility chart is only used to check stud thread corresponded to wheel lugs. There are many other factors on your wheel will determine the fitment such as HEX, SEAT TYPE that is determined by rim that is NOT included in the compatibility chart. Some models within the same year may have different configurations. Please check GENERATION as well. For vintage model, your stud may have been changed due to the age of the car. Q: My car is not listed in the compatibility chart, but the requirement matches, can I use this sets? A: As long as you check all the requirements match, you are good to use it. Q: What does Fender Gap mean? A: Fender Gap is the maximum Thickness of Adapter you can use, if you go beyond fender gap, your wheel will run the fender to cause problems. Q: How do I choose correct thickness? A: Please refer to the Fender Gap Limitation to select from the safe range. Q: I need more help or support, discount, bulk deal. A: Contact customer service for help at any time. Professional Installation is recommended. Please use proper power tools and/or manual installation based on the vehicle’s recommended torque spec (found on vehicle’s operator manual). By purchasing this product, you acknowledge that you fully understand the information and terms listed above.