SPRAG Sprag Reverse Low 30 Lugs Plastic (00-10) 5R55N 5R55W 5R55SOE-quality automatic transmission component designed to support proper operation, fit, and durability when installed according to specification.WHAT'S IN THE BOX:- Sprag Reverse Low 30 Lugs Plastic (00-10) 5R55N 5R55W 5R55S (PVA-50248AM)Vehicle Compatibility:- Mustang [05-10] 4.0, 4.6, 5.4- Thunderbird [03-05] 3.9L- Thunderbird [02-02] 3.9L- Explorer [02-10] 4.0L- Explorer Sport Trac [05-10] 4.0, 4.6- S-Type [00-02] 3.0, 4.0- XK8 [01-02] 4.0L- XKR [00-02] 4.0L- Aviator [03-05] 4.6L- LS [00-02] 3.0, 3.9L- Mountaineer [00-01] 4.0L- Mountaineer [02-10] 4.0, 4.6Engines: 3.0L, 3.9L, 4.0L, 4.6L, 5.4L Sprag Assembly for 5R55N - replacement component designed for proper fit and function Designed to support proper one way holding, torque transfer and free rotation during one-way clutch replacement Package Includes: one sprag assembly as described, supplied loose for one-way clutch replacement Hardened elements and cage sized to the original races - designed for dependable service in the intended application. Ships at 1.00 lb, 18x16x5 in Intended for builders correcting no-drive faults. Install with the marked face toward the correct side and confirm it locks one way