Assembled 29-Spline Super Finish 3rd Members For Toyota 8 Inch Axles?- High Pinion 4.88 Zip Air Locker (304644-1-KIT)

$3,016.32

Item #: 304644-1-KIT

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Specifications

Item Specifications

Country Of Origin: US

Material: Steel

Universal: No

Sold As: Each

Finish: Bare

Spline: 29 Spline

Locker: Zip Air Locker

Dimensions (L/W/H): 19 / 13 / 13

Weight: 78 lbs

General

Brand: Trail Gear

Item #: 304644-1-KIT

MSRP: $3,016.32

Category

Description

Made from tool-grade 8620 steel and heat-treated for maximum strength and wear resistance, these fully built 29-Spline Super Finish 3rd members include all new parts and are ready to drop into your axle. These third members feature top-quality Super Finish 29-Spline ring and pinion gears, and your choice of lockers.
The ring and pinion gears are treated with the REM Isotropic Super Finishing (ISF) process, which removes the microscopic peaks in the material and creates a surface on the ring and pinion gears with a roughness of less than 10 in Ra!
This means that there is less friction between the gears, reducing wear by 95 percent and allowing the gears and bearings to run cooler and last longer. The gear teeth are cut using Gleason CNC hobbing machines and cutters. V6 units feature larger OEM style V6 gear sets with a longer pinion gear.
Each unit is set up with solid pinion spacers for long gear life. A Trail-Safe 29-spline pinion seal is provided at no extra charge. High-pinion sets also include a high-pinion oil slinger. Quadruple-drilled flange covers will fit most Pickup/4Runner/Tacoma driveshaft patterns.
A dust shield is pre-installed onto the flange. There is no break-in period required. This product is for Toyota 8 inch solid axles only and will not fit 7.5 inch IFS front axles.Notes:
Will not fit 7.5 inch IFS front axles
The 4-cylinder and V6 differentials are meant to be run in the stock position (low pinion). Using these differentials in the high pinion position (flipping) will cause the pinion bearings to rapidly fail due to oil starvation and void the warranty.

Features:

Assembled 29-Spline Super Finish 3rd Members For Toyota 8 Inch Axles?- High Pinion 4.88 Zip Air Locker
Fully built Super Finish 3rd members using all new parts - no used housings or internal components
Made from tool-grade 8620 steel and heat-treated for maximum strength and wear resistance
29-Spline pinion spline is 7 percent larger in diameter than the 27-spline for increased strength
Available in 4.88 and 5.29 ratios for 4-cyl, V6, and high pinion applications
Requires Ring and Pinion Setup kit to complete the installation into your existing differential housing
Gear teeth are cut using Gleason CNC hobbing machines and cutters.
No break-in period
Less friction
Reduced wear allowing bearings and gears to last longer
Treated with REM Isotropic Super Finishing (ISF) process
The REM Isotropic Super Finishing (ISF) process removes the microscopic peaks in the material and creates a surface on the ring and pinion gears with a roughness of less than 10 in Ra! This means that there is less friction between the gears, reducing wear by 95 percent and allowing the gears and bearings to run cooler and last longer
Non-directional surface that increases lubricant retention on the gear surface, reducing lubrication requirements
Flange is Quadruple drilled with the most popular Pickup/4Runner and Tacoma Patterns:
66mm x 66mm x 11mm (Tacoma)
60mm x 60mm x 10mm (Pickup/4Runner and TG Heavy Duty Driveline)
60mm x 68.3mm x 10mm
61.5mm x 70mm x 10mm
Dust shield pre-installed onto flange
High-pinion sets also include a high-pinion oil slinger
Includes Trail-Safe Pinon seal and nut
For Toyota 8 inch solid axles only. Will not fit 7.5 inch IFS front axles.

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