This is a use set of R07valve springs this is 16 and this is exactly how i received it from Hendrick motorsports, All information including dyno cycles track and total cycles are included. These are a nice piece of racing history to add to your collection. Or to use on your engine. Check out all the pictures as this is the exact set you will receive. we are offering this set with no reserve. Thanks for looking and good luck!!!! The exhaust and intake springs are different sizes This is a listing for all sets pictured with over a million cycles to request a specific set send me a message this is for one box of springs only
