Mile Marker 449SS Stainless Steel Supreme 4X4 Internal Locking Hubs (pair) for the Dana 50 and Dana 60 with 30 splined axles
This is our #1 selling Dana 50/60 Manual Lockout!
1977-1991 Chevrolet/GMC 1-ton (K30 and K35) with Dana 60 straight axle
1990-1993 Dodge 1-ton Dana 60
1959-1987 Ford F-250 (Heavy Duty)
1990-1996 Ford F-250 (Heavy Duty) Except Full Time
1990-2004 Ford 1-ton Dana 50 and Dana 60
1976-2004 Ford F-350, F-450
1999-2004 F250/F350 SuperDuty – Cure the Electronic Shift On the Fly (ESOF) issues
1999-2004 Ford Excursion
If your vehicle has the OEM Automatic Hubs (no manual locking/turning knob), a conversion kit is required to convert to manual hubs – 3/4 and 1 Ton: #95-32721 Conversion Kit
All manual locking hubs come in pairs with installation hardware and instructions
Mile Marker Industries warrants directly to the first purchaser that Mile Marker Locking Hub Part Numbers 104, 302, 420, 423, 430, 432, 435, 449SS, 459SS, 457, 466, 470, 481, and 490 will be free from defect in material and workmanship appearing under normal use and service for as long as said purchaser owns the locking hub.