Fully built 29-Spline 3rd members using all new parts and ready to drop into your axle. Third members feature top quality high-strength 29-spline ring and pinion gears and your choice of lockers.
V6 units feature larger OEM style V6 gear sets with longer pinion gear. Each unit is setup with solid pinion spacers for long gear life. Trail-Safe 29-spline pinion seal provided at no extra charge. Quadruple-drilled flange covers most Pickup and 4Runner and Tacoma driveshaft patterns.
Spool lockers should only be used in rear applications. Spools will be harder on axles than a selectable or automatic locker. Fully built 3rd members will not fit stock Tacoma or T100 axles. For Toyota 8.0 Inch solid axles only. Will not fit 7.5 Inch IFS front axles.
All new 3rd members require a break-in period to prevent damage from overheating. Any overloading or overheating during this periods can cause the gear oil to break down resulting in ring and pinion failure. This may seem unnecessary, but it is very easy to damage the differential by loading it before the gear set is completely run in. New ring and pinion gears create excess heat when they are new. This excess heat can damage the heat treatment of the gears.Ring and Pinion Break-In Procedure:
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