SKU: T121W | UPC: 806990153890
QA1 Spring Seat Nut Spanner Wrench – MOD Series T121W
QA1 T121W spanner wrench works with all MOD Series shocks to turn the spring seat nut and set ride height. This tool fits shocks used in circle track racing, drag racing, street performance, and street rodding applications. Zinc plated construction and plastic handle make adjustments quick and comfortable during suspension tuning.
Key Features
- Precise Fit: Matches pin slots on QA1 MOD Series spring seat nuts for secure grip and accurate adjustments
- Zinc Plated Finish: Resists corrosion for long-lasting performance in shop or track environments
- Plastic Grip Handle: Provides comfortable leverage and reduces hand fatigue during repeated use
- Easy Ride Height Tuning: Simplifies preload changes to dial in handling and cornering response
- American Made: Built in QA1’s 83,000 sq ft Lakeville, MN facility with motorsports-grade quality
Product Notes
- Compatible only with QA1 MOD Series shocks like 21 Series MOD and similar coil-overs
- Store in dry area to maintain zinc plating integrity
- Ships in protective packaging to prevent damage
Installation Notes
- Professional installation recommended.
- Remove shock from vehicle before adjusting spring seat for safety
- Requires no additional hardware. fits directly on MOD Series nut
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| All | All | All Equipped with QA1 MOD Series Shocks | Circle Track, Drag, Street Performance |
Why Choose QA1?
- Leaders in rod ends, spherical bearings, and shocks since 1993
- Manufactures performance suspension and driveline in USA
- Offers expert tech support for racing and street applications
Frequently Asked Questions
- Q: Does T121W fit all QA1 shocks?
A: Designed specifically for MOD Series spring seat nuts. check shock model for 21 Series MOD compatibility - Q: What material is the wrench made from?
A: Steel body with zinc plating and molded plastic handle for durability and grip - Q: Is installation difficult?
A: Simple to use. turn spring seat nut while shock is off vehicle, no special tools needed beyond this wrench
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Compact box 12″ x 6″ x 1″
- Weight: 0.45 lbs





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