SKU: ZP FSTV6-30 / UPC: 883584590125
USA Standard Gear ZP FSTV6-30 Spool for Toyota V6 8″ Front Differentials
Upgrade your Toyota V6 4×4 with the USA Standard Gear ZP FSTV6-30 spool, a direct replacement for the stock carrier in 8-inch front differentials. This 30-spline spool delivers full-time power to both wheels for unbeatable traction in off-road conditions. Ideal for Toyota 4Runner, Tacoma, FJ Cruiser, Lexus GX470, and Pickup models from 1985 to 2017.
Key Features
- 30-Spline Configuration – Precise match to OEM specs for seamless installation in Toyota V6 front diffs.
- High-Strength Steel Build – Forged and heat-treated to withstand extreme torque and abuse.
- Full-Time Lockup – Forces both tires to rotate at identical speeds for maximum grip.
- Precision Machining – Ensures quiet operation and zero play under heavy loads.
- Direct Replacement – Bolts in without modifications or custom machining.
- Yukon Gear Quality – Manufactured by experts for long-lasting performance.
Specifications
| Detail | Value |
|---|---|
| Brand | USA Standard Gear |
| Type | 30-Spline Differential Spool |
| Compatibility | Toyota 8″ V6 Front Axle (30 spline) |
| MPN | ZP FSTV6-30 |
| Spline Count | 30 |
| Weight | 10.9 lbs |
| Shipping Dimensions | 12 x 10 x 6 inches |
| Country of Origin | USA |
| Warranty | 1-Year Limited |
Whats Included
- 1 x ZP FSTV6-30 30-Spline Spool
Product Notes
- Designed for off-road and drag racing use, not daily street driving.
- Requires differential rebuild components like bearings and shims.
- Professional installation advised for optimal setup.
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2003-2009 | Lexus | GX470 | Base |
| 1996-2001 | Toyota | 4Runner | Base |
| 1985-1989 | Toyota | 4Runner | DLX |
| 1996-2009 | Toyota | 4Runner | Limited |
| 2003-2009 | Toyota | 4Runner | Sport |
| 1985-2009 | Toyota | 4Runner | SR5 |
| 2007-2009 | Toyota | FJ Cruiser | Base |
| 2008 | Toyota | FJ Cruiser | Trail Teams Special Edition |
| 2007 | Toyota | FJ Cruiser | TRD Special Edition |
| 1985-1995 | Toyota | Pickup | Base |
| 1986-1987 | Toyota | Pickup | Base Turbo |
| 1985-1995 | Toyota | Pickup | DLX |
| 1985 | Toyota | Pickup | DLX Turbo |
| 1985-1995 | Toyota | Pickup | SR5 |
| 1985-1988 | Toyota | Pickup | SR5 Turbo |
| 2016-2017 | Toyota | Tacoma | Limited |
| 2016-2017 | Toyota | Tacoma | SR |
| 2016-2017 | Toyota | Tacoma | SR5 |
| 2016-2017 | Toyota | Tacoma | TRD Off-Road |
| 2017 | Toyota | Tacoma | TRD Pro |
| 2016-2017 | Toyota | Tacoma | TRD Sport |
Why Choose USA Standard Gear?
- Direct OEM-style fit eliminates guesswork in installs.
- Heat-treated materials resist wear in harsh environments.
- Backed by Yukon’s reputation for drivetrain reliability.
- Affordable way to lock in traction for 4×4 adventures.
Frequently Asked Questions
- Q: What type of differential does the ZP FSTV6-30 fit?
- A: Toyota 8-inch V6 front differentials with 30 splines.
- Q: Does this spool provide selectable locking?
- A: No, it offers permanent full-time lockup for both wheels.
- Q: What additional parts are needed for installation?
- A: Carrier bearings, races, pinion shims, and gear oil recommended.
Shipping & Handling
- Method: UPS Ground
- Availability: Special order – ships in 1-3 business days
- Packaging: Securely boxed with protective padding





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