Trail-Creeper 29-Spline Ring And Pinion Gears Kit This is the easiest and most affordable way to upgrade your Toyota 8.0 Inch differential with stronger 29-spline Ring and Pinion gears. Includes your choice of Trail Creeper 29-Spline Ring and Pinion gears along with our 29-Spline Quadruple-Drilled Differential Flange with dust shield, 29-spline Trail-Safe Pinion Seal, and 29-spline pinion nut. High-pinion sets also include a high-pinion oil slinger.
On Toyota trucks we recommend 4.88's for 33.0 Inch tires and 5.29 for 35.0 Inch and larger. Requires 29-spline pinion flange, 29-spline pinion seal, and 29-spline pinion nut.
All new 3rd members require a break-in period to prevent damage from overheating. Any overloading or over-heating 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.
Requires Ring and Pinion Setup kit to complete the installation into your existing differential housing. For Toyota 8.0 Inch solid axles only. Will not fit 7.5 Inch IFS front axles.
Ring and Pinion Break-In Procedure:
- After installation drive lightly for 20-30 minutes
- Allow the diff to cool for at least two hours
- Avoid heavy throttle use during the first 500 miles
- Do not tow a trailer during the first 500 miles
- Change oil after 500 miles to remove any particles suspended in the oil
- Heat-treated for maximum strength and wear resistance
- Larger 29-Spline pinion spline for increased strength
- Includes forged chromoly 29-spline Quadruple-drilled flange with dust shield
- Dust shield pre-installed onto flange
- Flange is Quadruple drilled with the most popular patterns:
- 66 mm x 66 mm x 11 mm for Tacoma
- 60 mm x 60 mm x 10 mm for Pickup, 4Runner and Trail Gear Heavy Duty Driveline
- 60 mm x 68.3 mm x 10 mm
- 61.5 mm x 70 mm x 10 mm
- Includes 29-spline Trail-Safe Pinion Seal
- Includes 29-spline pinion nut
- High-pinion sets also include a high-pinion oil slinger
- Warranty: 12 Month Limited Warranty
- Sold As: Kit
- Material: 8620 Steel
- Finish: Bare
- Color: Grey
- Size: 8.0 Inch
- Spline: 29-Spline
- Ratio: 4.88
- Engine: V6
- Drive: 4 Wheel Drive
- Fits: 1979-1985 4 Wheel Drive Toyota and Most 1986-1995 Rear Axles
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