|5.4L F-150, EXPEDITION, NAVIGATOR ²|
|4.10:1||8.8" (front) 1996-97|
NOTES:¹ May require rear cover modifications.² These ring and pinions have been developed to increase towing capability of 5.4L Expeditions.³ Replaces our popular M-4209-F373
. New manufacturing technology utilizing a Face Hob Process which features a single pass pinion tooth machining operation compared to a conventional three pass process for machining. CNC cut and lapped gear teeth. Higher strength and better quality gears are produced with the Face Hob Process. NOTE: These new gears look a little different, the gear teeth are cut on a different angle and the ring gear has a bevel on the back of the gear.