5R110W Complete Transmission Rebuild KitOE-quality automatic transmission kit designed for service or rebuild applications, providing reliable fit and consistent performance when installed according to specification.WHAT'S IN THE BOX:- 5R110W PISTON KIT (03-) (7 PISTONS ) (PK-K36900)Vehicle Compatibility:- uper Duty 1 Ton Econoline - Van [05-10] 5.4, 6.0, 6.8- E150 1/2 Ton Econoline - Van [05-13] 4.6, 5.4- E250 3/4 Ton Econoline - Van [05-13] 4.6, 5.4, 6.0- Excursion [04-04] 5.4, 6.0, 6.8- Excursion [05-05] 5.4, 6.0, 6.8- Super Duty 3/4 Ton - Pickup [05-10] 5.4, 6.0, 6.4, 6.8- F350 Super Duty 1 Ton - Pickup [03-04] 6.8, 7.3- F350 Super Duty 1 Ton - Pickup [05-10] 5.4, 6.0, 6.4, 6.8- F450 Super Duty 1 1/2 Ton Truck [03-04] 6.0, 6.8, 7.3- F450 Super Duty 1 1/2 Ton Truck [05-10] 6.0, 6.4, 6.8- F53 [03-08] 6.8L- F550 Super Duty [03-04] 6.0, 6.8, 7.3- F550 Super Duty [05-13] 6.0, 6.4, 6.8- F650 Super Duty [05-09] 5.9, 6.0, 6.7, 7.2, 7.3- F750 Super Duty [05-09] 5.9, 6.0, 6.7, 7.2, 7.3L- LL55 [06-06] 4.5LEngines: 4.5L, 4.6L, 5.4L, 5.9L, 6.0L, 6.4L, 6.7L, 6.8L, 7.2L, 7.3L Transmission Piston Kit for 5R110W - replacement component designed for proper fit and function Designed to support proper clutch apply pressure, stroke and sealing during piston and seal work Package Includes: one transmission piston kit as described, supplied loose for piston and seal work Bonded rubber lip seals on a steel or aluminum piston body - designed for dependable service in the intended application. Ships at 5.00 lb, 18x16x5 in Intended for builders correcting apply pressure loss. Lubricate the lip seals before assembly and seat the piston square in the bore