Technical Information

The technical information provided here is supplied as a resource for investigating product operation, installation, and troubleshooting. Many of these manuals and videos come directly from the manufacturer, so Seven Springs Customs / Complete Off Road can not guarantee 100% accuracy of the information provided. Please remember that with all automotive work, there is the chance that you may run into issues not discussed in these installation manuals, write-ups, or videos.

If you don't find the information you need here, give us a call at 563-583-5363 and we will do our best to answer your questions or figure out a solution to your problem.

Axle and U-Joint Identification

How to Identify Dana Spicer Axles

Dana Spicer BOM Finder

Dana U-Joint Finder

Tech Videos

         Spartan Locker Installation, Non C-Clip

Spartan Locker Installation, C-Clip Design

Yukon Grizzly Locker demonstration

TrueTrac exploded view video

Eaton E-Locker demonstration

Installation Guides and Technical Manuals

          ARB Air Locker Service and Parts Manual

Yukon Installation Kit Instructions

Spartan Locker Installation Instructions

TrueTrac Owners Manual

Dana Spicer Housing Spreader Instructions

M20 1-Piece Axle Kit Instructions

Pinion Depth Setting Kit

Dana 25, 27, and 30 Disc Brake Conversion

How to measure for Ford 9" axles

Yukon Quality Control Report

Yukon Spindle Boring Tool Instructions

Yukon Clamshell Axle Bearing Puller Instructions

Super Joint Installation Guide

SSC HD Steering Kit with Tie Rod Ends Instructions