Check the listing for details. Nascar 27.25" long - 31 Spline Floater Rear Axle Speedway Engineering. Condition: Used. Listed at 30.00 USD. Up for sale is a nice used Speedway Engineering 31 spline rear axel that is 27.5" long. This axel will work in ford 9" or quick change rears with 31 spline diffs and floater hubs. This is a standard cup series axel from a ford 9" housing. Please make sure that this is the length you need. Please see my other auctions for more Nascar racing parts. Shipping to the cont. US only. Payment through ebay only. Please email with any questions. No warranties or returns accepted on used racing parts. Please look at the photos and make sure that this part will work for you. Shipping will be by Fedex or UPS to confirmed addresses only. Multiple items and purchased together will receive a shipping discount if they can be shipped together in the same package. Thanks for Looking.