This package includes two free wheel locking hubs compatible with select , and International Harvester vehicles.Replaces part numbers B027HP and AVM418HP.Features 19-spline gear teeth, 6-bolt internal mount design, and steel construction for.Compatible models include: Bronco (1966–1996), F100/F150 (1/2 Ton), F250 (3/4 Ton with 3000LB–3800LB axle variants), F350 (1 Ton, 3500LB axle), and F-1000 Pickup 4x4 (1991+); / Blazer, Jimmy, Suburban, and K10 Pickup (1969–1991); Ramcharger and pickups (1969–1974, 1980–1993), Cherokee (Dana 44, up to 1975), Trailduster (1981–1984); International Harvester J10 (1974–1991), J20 (1977–1987), and 1/2 Ton Pickup/Traveller (1968–1975).This is an aftermarket replacement part.Professional installation recommended.Installation instructions not included.Color and dimensions may vary slightly due to manufacturing tolerances and display settings.