Includes 4 433Mhz or 4 315Mhz Tire Pressure Monitors and 4 Valve Stem Kits. Compatible With All OEM and Aftermarket Wheels. Adjustable 20 to 40 Degree Angles. Valve Stem Kits Are Included. Will Function Exactly Like Your OEM Sensors. Installation Service Available For Local Customers. Available With Wheel & Tire Packages. Please Note We Are Not Responsible For All Liabilities Arising From Improper Installation or Fitment. (Please Check Compatibility Chart) Some Porsche Vehicles Use Either 433Mhz or 315Mhz. We Will Respond Within 1 Day or Less! Thank you for visiting xS Distributors, Inc We have a large selection of Accessories and Parts available. Fraud Purchasing items under false pretenses is illegal. Has and will use all resources necessary to locate and press criminal charges against individuals guilty of fraud. 1- Credit cards (full payments are accepted). 1- All major credit cards are accepted. We are confirmed and verified. Prices are subject to change without notice. If you do not send all of the above information, we will not be able to properly assist you in a timely manner. Thank you for your cooperation! ALL MERCHANDISE MUST BE IN NEW CONDITION. All merchandise must be properly packaged. Return Authorization number must be clearly written on package and label. We are not able to give credit on a return, due to improper packaging. It is the customer’s responsibility to make sure the items are protected. Under no circumstance will xS Distributors accept a return of product that is damaged due to the negligence of the customer!!! Remember, the products are still your (the customer) property until we get them back. We also offer custom finishes and fitments. Please call for more information! Welcome To xS Distributors Inc. Our Company Was Built On The Premise Of Supreme Customer Service. With Over 20 Years Combined Experience, Our Experienced Sales Team Will Get You Into What You Need, With The Best Prices and Quality Items. We Bring You The Most Advanced Highest Quality Products With The Most Professional Customer Service.