Detroit Locker Installation Guides

Professional installation resources for Detroit Locker performance parts. General installation information below.

General Detroit Locker Installation Tips

Recommendation
Professional Installation
Workspace
Clean, well-lit garage
Documentation
Refer to included manual
  • Standard metric and SAE socket set
  • Torque wrench (ft-lbs and in-lbs)
  • Jack and jack stands (for suspension/exhaust work)
  • Thread locker (blue Loctite) as specified
  • Anti-seize compound for exhaust fasteners
  • Safety glasses and gloves

Important Safety Information

Always disconnect the battery before working on electrical components. Use proper jack stands when working under the vehicle. Allow the engine and exhaust to cool before beginning work. Follow all manufacturer torque specifications. If unsure about any step, consult a professional mechanic.

Detroit Locker Products We Carry

Browse our Detroit Locker catalog. Click any part to see specific installation info.

Part Number Product Name
187C148A Detroit Locker - GM 8.5/ 8.6 10-Bolt 30-Spline
19554-010 Eaton Posi - GM 8.875 12-Bolt 30-Spline
19555-010 Eaton Posi - 64-72 GM Car 12 Bolt 30-Spline
19556-010 Eaton Posi - GM 8.875 12-Bolt 30-Spline
19587-010 Eaton Posi - 61-80 GM Truck 12 Bolt 30-Spline
19603-010 Eaton Posi - GM 10-Bolt 64-82 8.2in
225SL58C Detroit Locker - Dana 70 35-Spline
29403-00S Service Kits (POSI) Disc & Shim Kit
911A319 Detroit Truetrac - GM 7.5 26-Spline
911A415 Detroit Truetrac - GM 7.5 26-Spline
912A317 Detroit Truetrac - GM 7.625 10-Bolt
912A556 Detroit Truetrac - GM 8.5 10-Bolt 28-Spline
912A557 Detroit Truetrac - GM 8.5 28-Spline
912A562 Detroit Truetrac - Ford 8.8 28-Spline
912A585 Detroit Truetrac - Dana 30 27-Spline
912A587 Detroit Truetrac - Ford 9in 28-Spline
912A642 Detroit Truetrac - 04-06 Pontiac GTO 28-Spline
912A686 Detroit Truetrac - GM 8.6 32-Spline 10- Camaro
913A315 Detroit Truetrac - GM 8-7/8 12-Bolt 30-Spline
913A477 Detroit Truetrac - Ford 9.75 34-Spline
913A555 Detroit Truetrac - GM 8-7/8 12-Bolt 30-Spline
913A561 Detroit Truetrac - Ford 8.8 31-Spline
913A561 Detroit Truetrac - Ford 8.8 31-Spline
913A572 Detroit Truetrac - Mopar 8.75 30-Spline
913A586 Detroit Truetrac - Ford 9in 31-Spline
914A538 Detroit Truetrac - GM 9.5
914A690 Detroit Truetrac Ford 9in 35 Spline
915A545 Detroit Truetrac - GM 10.5 30 Spline 4.10&Down
915A568 Detroit Truetrac - Dodge 11.5 30-Spline
917A739 Detroit Truetrac 15- 34 Spline Ford F150 8.8

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