Spools and Lockers

Lightweight and strong, our spools and lockers are specially designed to fit most manufacturer's quick change rear ends.

RECOMMENDED APPLICATIONS

NASCAR • ARCA • Pro Four • Circle Track • Street Rod

RING GEAR SPOOLS

  • Fully CNC machined
  • Made from high grade 7075-T6 aluminum
  • Available for most quick changes (31-Spline)

MINI SPOOLS

  • Manufactured from 8620 heat-treated steel
  • 28-Spline fits 8" Ford (1962-1980) or 9" Ford (1957-1980)
  • 31-Spline fits 9" Ford (1957-1980)
  • Chrome Moly heat treated cross pin included

LOCKER ASSEMBLIES

  • Cases are fully CNC machined
  • High quality internal gears (guts) with premium springs
  • Fully bench tested
  • Mini Stock and Super Max carriers fit Speedway Engineering centers only
ALUMINUM SPOOLS
PART # DESCRIPTION SPLINE
7802 Stock Car Quick Change — Champ (fits Speedway Engineering and most other manufacturers) 31
8002 Stock Car IRS Quick Change — Champ (fits Speedway Engineering) 31
8504 Super Max Quick Change 31
8102 Mini Stock Quick Change 28
LOCKERS
PART # DESCRIPTION SPLINE
8104-1 Mini Stock Quick Change & IRS Detroit Locker Assembly (fits Speedway Engineering only) 28
8504-1 Super Max Quick Change Detroit Locker Assembly (fits Speedway Engineering only) 31
7804-1 Stock Car Quick Change Detroit Locker Assembly (fits Speedway Engineering and most other manufacturers) 31
8004-1 Stock Car IRS Quick Change Detroit Locker Assembly 31
68264 Locker Springs  
MINI SPOOLS
PART # DESCRIPTION SPLINE
2800 Mini Spool (fits Ford 8" [62-80] and9" [57-80) with cross pin) 28
3134 Mini Spool (fits Ford 9" [57-80) with cross pin) 31
7520 Mini Spool Chrome Moly Cross Pin (fits 8" & 9" Ford) N/A
OTHER DIFFERENTIALS
PART # DESCRIPTION SPLINE
7802-1 Stock Car Quick Change Platinum Track Differential 31
7804 Stock Car Quick Change Diamond Track 31
8505 Super Max Quick Change Platinum Track Differential 31
8503 Super Max Quick Change Positraction 31
8506 Super Max Quick Change 4 — Spider, Open 31
8106 Mini Stock Quick Change 4 — Spider, Open 28
8506-EF Early Ford 4-Spider Open 31
RING GEAR BOLTS
PART # DESCRIPTION
83-005 Stock Car Quick Change
83-007-1 Super Max Quick Change
83-007 Mini Stock Quick Change with Spool
83-008 Mini Stock Quick Change with Locker