Check the listing for details. Chester - Wide 5 Solid Axles - 28 Spline IMCA / UMP / Wissota / Mod - 31". Condition: New. Listed at 99.99 USD. Wide 5 axles are designed for racecars that run the Wide 5 or the 2" 5x5 style rear hubs. Manufactured out of special aircraft Hy-Tuff steel and precision machined on a CNC. Shot-Peened and Stress Relieved. Heat treated to resist fatigue. • W-5 axles are used with W-5 and 2" I.D. bearing type hubs (Acro, Howe) or 2" type axle tube snouts.• Axles should be spaced using bolt, lock washer and necessary flat washers to obtain 1/8” - 3/16” of total end play.The bolt head should be turned to a dull point so only the dead centers touch.• 24 Spline Drive Plate End • 28 Spline Differential End (Not Common - Used on specific 28 spline differentials. Check spline before ordering )• Axle Diameter is 1.170" O.D.• Made in the USA 31" Long End to End