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SKU: TD504 | UPC: 806990060143
QA1 Stocker Star Series Double Adjustable Front Shock Absorber - Aluminum
The QA1 TD504 Stocker Star Series Double Adjustable Front Shock Absorber is the best tunable performance shock for classic muscle cars, hot rods, and street/strip builds seeking the perfect balance of ride quality and handling. Featuring independent 18-way adjustment of compression and rebound valving, lightweight billet aluminum construction, and smooth body design, this shock delivers precise damping control, excellent response, and a premium look – ideal for daily driving, autocross, drag racing, or maintaining factory ride quality with modern performance.
Key Features
- Double Adjustable Valving: Independent 18-way compression and rebound adjustment for ultimate tuning flexibility
- Billet Aluminum Body: Lightweight, high-strength aluminum for reduced unsprung weight and superior heat dissipation
- Smooth Body Design: Clean, sleek appearance with easy bolt-in installation using factory mounts
- Carbon Steel Shaft: Durable shaft with anodized finish for corrosion resistance and long life
- 100% Dyno Tested & Serialized: Every shock is dyno-verified for consistent performance and quality
- Limited Lifetime Warranty: QA1 confidence in durability and reliability – made in the USA
Specifications
| Specification | Detail |
|---|---|
| Part Number | TD504 |
| Series | Stocker Star |
| Adjustability | Double Adjustable (18-Way Compression & Rebound) |
| Collapsed Length | 11.625 inches |
| Extended Length | 16.375 inches |
| Body Material | Aluminum (Billet) |
| Shaft Material | Carbon Steel |
| Finish | Anodized (Natural) |
| Internal Design | Twin Tube |
| Gas Charged | No |
| Boot Included | No |
| Mounting Hardware | No (Uses Factory Mounts) |
| Country of Origin | United States |
| Warranty | Limited Lifetime (QA1) |
Product Notes
- Double adjustable front shock – ideal for fine-tuning ride quality and handling on classic and performance vehicles
- 18-way adjustment allows soft-to-firm settings for street comfort or aggressive track performance
- Direct bolt-in replacement using factory mounting points – no modifications required
Installation Notes
- Estimated time: 1-2 hours per side, moderate difficulty, basic hand tools required
- Direct replacement – remove old shock, install QA1 Stocker Star, torque to factory specs
- Full alignment recommended after installation – professional install optional
This Part Fits
| Application | Notes |
|---|---|
| Classic Muscle Cars / Hot Rods / Street & Strip Builds | Front Shock – 11.625" Collapsed / 16.375" Extended |
| Common | Applications Requiring Double Adjustable Aluminum Shocks |
Why Choose QA1 Stocker Star Series Shocks?
- 18-way double adjustability allows precise tuning of compression and rebound for any driving style
- Lightweight billet aluminum body reduces unsprung weight while delivering premium performance
- Limited lifetime warranty and 100% dyno-tested quality – trusted in racing and street applications
Frequently Asked Questions
-
Q: Can I adjust the valving on this shock?
A: Yes, independent 18-way compression and rebound adjustment for full tuning flexibility. -
Q: Does it include mounting hardware?
A: No, uses factory mounts; direct bolt-in replacement. -
Q: Is it suitable for daily driving?
A: Yes, adjust to softer settings for comfortable street ride or firm for performance. -
Q: What applications is this shock suited for?
A: Classic muscle cars, hot rods, and street/strip builds requiring adjustable damping.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure retail box
QA1
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