MANUAL TRANSMISSION REBUILD KIT. Vital Parts is offering this NEW transfer case overhaul rebuild kit. Truck 6-speed manual transmission equipped with S6-650 / S-650. This transmission has an aluminum case and is rear loaded. The unit will as well have case markings of “1319”. Please see the detailed description below for your specific model. As always if you are unsure of specific fitment please send us a message. We would be happy to help! F-SERIES TRUCKS (F250, F350, F450, F550 – SUPER DUTY) P-SERIES VAN and FULL SIZE BRONCO. 8 CYL 5.4L 2002-ON – 6spd, RWD or 4WD. ZF S650, aluminum case, cast “1319”. 8 CYL 6.0L 2003-ON. 6spd, RWD or 4WD. 8 CYL 6.4L 2008-ON. Z F S650, aluminum case, cast “1319”. 10 CYL 6.8L 2002-ON. Front and rear seals. NTN & Nachi Quest Bearings. Input shaft slinger / shield. Main shaft and rear tapered bearings. HIGH quality synchro rings (3 thru 6 as 1st and 2nd are reused in the rebuild process). We stock nothing but the highest quality components! The item “Ford ZF S6-650 6-Speed Manual Transmission Rebuild Kit with Synchros 1998-ON” is in sale since Wednesday, August 10, 2016. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Transmission & Drivetrain\Transmission Rebuild Kits”. The seller is “vital_parts” and is located in Portland, Oregon. This item can be shipped worldwide.