This complete 2pc drive shaft fits 2004-2008 Ford F150 4wd auto trans with the 163" wheel base.The orignal Ford drive shaft has a center bearing that can not be serviced.The custom drive shaft we offer comes with a servicable center bearing,greasable u-joints and is fully balanced. If you have any questions or concerns, please feel free to Contact us. Please verify length and pin # before ordering.(SEE BELOW). Front section = approx 29" band to band (weld to weld) Rear section = approx 30 3/4" band to band (weld to weld) This shaft fits 2004-2008 F150 with ONLY these OE SKU #'s which are located on a sticker attached to the drive shaft tubing.(shaft can stay in truck to do this) 4L34-4K145-WA 4L34-4K145-WC 5L34-4K145-WA 5L34-4K145-WB 5L34-4K145-WC 5L34-4K145-WD 6L34-4K145-WB 7L34-4K145-J 7L34-4K145-WA Our shaft comes complete with servicable and greaseable u-joints and is a fully balanced witch eliminates the need for round dampner on the transfer case yoke. This Driveshaft comes with a 90 day Warranty. Warranty valid under normal use only (snowplowing, mud pulls, suspension alteration ect.) will void warranty.