2 pieces x Free wheel locking hubs compatible with Bronco, Suburban, Blazer, Jimmy, pickup trucks.Part numbers: B027HP, AVM418HP. Gear spline teeth: 19 splines. Bolts: 6. PCD: not specified. Mounting type: internal mount. Transmission type: manual. Body construction material: steel. Fits: /INTERNATIONAL HARVESTER: J10 Pickup (1974–1991), J20 Pickup (1977–1987), Harvester 1/2 Ton Pickup and Traveller (1968–1975). / / GEO: Blazer, Jimmy, Suburban (1969–1991), 1/2 Ton Pickup (K-10) (1969–1987), 3/4 Ton Pickup (1977–1987). / : 1/2 Ton Pickup and Ramcharger (1969–1974), 1/2 Ton and 3/4 Ton Pickup and Ramcharger (1980–1993), Cherokee (Dana 44) (up to 1975), Trailduster (1981–1984). : Bronco (1966–1996), F100, F150, F250 (3/4 Ton with 3000LB, 3500LB, or 3800LB axle), F350 (1 Ton with 3500LB axle), F-1000 Pickup 4x4 (1991 and newer), Crew with 3800LB axle. This is an aftermarket replacement part.It is designed for direct replacement of the free wheel locking hub assembly.Compatibility should be verified using the listed fitments or by confirming part number match.Installation instructions are not included.Professional installation is recommended.Color may vary slightly due to screen and differences.Dimensions may vary by up to 1–2 mm due to manual measurement.