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Traction Concepts LSD Conversion, Installation and Tech Support • Do I Need to Modify or Machine Anything to Install a Traction Concepts LSD Conversion Kit? • Do I need to use a special oil lubricant, additive, or friction modifier to use the Traction Concepts Limited Slip Conversion? • Does using Traction Concepts products produce whining or clunking noises? • How does the Traction Concepts LSD Conversion function after being installed in the differential? • What is a Limited Slip Differential and How Does It Help My Car? • Will the Traction Concepts LSD Kit damage my differential or transmission? • Are there any parts that wear and need to be replaced over time? Order Status • How do I change quantities or cancel an item in my order? • How do I track my order? • My order never arrived. • An item is missing from my shipment. • My product is missing parts. • When will my backorder arrive? My Account • How do I create an account? • How do I edit my account information? • How much is my shipping? • I forgot my password. • How do I return my product? • I received the wrong product. • What is your return policy? • When will my order ship?

Shipping and Returns • Please select one of the following when ordering. All orders ship "Signature Required, Photo I.D. Restricted Delivery." Bill to/Ship to address must match or the order will be cancelled. • How do I return an item? International Shipping • Do you ship to my country? • What are my payment choices? • When will my order ship and what are my shipping charges? • What is the return policy? Guarantees • Warranty • Privacy Policy • Security Pricing and Billing • Do I have to pay sales tax? • What is the DSC-41 "Processing Fee" Charge? • I need a copy of my receipt/invoice. • When will my credit appear on my account? • When will my credit card be charged? Buyer's Guide • How do I buy/redeem a gift certificate? • How do I find my product? • How do I navigate the site? • How do I use a coupon? Additional Support • How do I contact you?