Grand National Steel Hubs

The industry standard since 1975, our Grand National Steel Front and Rear Hubs are the most reliable hub assemblies that you can put on your car for tracks one mile or under. They are made from the same forging as our Sprint Cup hubs with the same exacting tolerances.


Late Models • Off-Road • Pre-Runner Trucks • Desert Runners • Road Race • Hooters Cup


  • Forged from 4140 certified alloy steel
  • Fully CNC machined and inspected in-house
  • Heat-treated
  • Zinc coated for durability
  • Available with or without studs
  • Standard 5x5" bolt circle — Rear hub bolt circles available: 5x4-3/4" and 5x5-1/2"


  • Front hubs come with 6.200" flange OD to fit all popular brake kits
  • Front hubs fit standard short track stock car spindles
  • Rear hub kits come with lightened heat-treated steel drive flanges
  • Rear hubs take 2.5" ID bearings


Front hub kits include: Hub, studs, races, bearings, seal, dust cap, spindle nut, washer & hardware.

Rear hub kits include: Hub, steel drive plate, studs, races, bearings, seals, dust cap, lock nut, washer, o-ring and hardware.

Bare Hubs include the races, studs, and stud set screws only.

5300-4 Front Hub, bare — 6.20" OD
5300-4D Front Hub, bare — 6.20" OD, Drilled for 300-Series Stud (studs not included)
5306-11-1 Front Hub Assembly
5306-13 Front Hub Assembly — with #5300-4D Drilled Hubs
6001 Rear Hub, bare
6003 Rear Hub, bare — Drilled for 300-Series Stud (studs not included)
6001-11L & R Rear Hub Assembly — spec. LH or RH nut assembly
6003-10L & R Rear Hub Assembly, with #6003 Drilled Hubs — spec. LH or RH nut assembly