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SKU: US502 | UPC: 806990060884
Custom Street Rod QA1 Ultra Ride Series Shock Absorber US502 - Rebound Adj. Bushing Mount 11.625in/16.875in Aluminum
QA1 US502 Ultra Ride Series delivers custom mount rebound adjustable coil-over performance for street rods and hot rods. This shock fits custom chassis setups with bushing mounts top and bottom providing plush compression and tunable rebound for everyday driving comfort. Lightweight aluminum design allows bolt-in installs ride height changes and reduced unsprung weight across various rodding projects.
Key Features
- Rebound Adjustment: 18 distinct valving clicks let drivers fine-tune handling response while maintaining street-friendly ride quality
- Fixed Compression: Delivers consistent damping for smooth absorption over bumps ideal for rodding and cruising
- Aluminum Construction: Billet body 1.83in diameter weighs just 7.05 lbs to cut suspension mass and improve agility
- Dyno Tested Serialized: Each unit 100% tested on QA1 dyno with serial number for traceability and proven repeatability
- Serviceable Design: Fully rebuildable at QA1 authorized centers extends shock life with easy maintenance
Product Notes
- Extended length 16.875in compressed 11.625in travel 5.25in suits rear applications in many classic chassis
- Made in USA with precision components for durability in street rod use
- Coil-over ready accepts springs separately for custom spring rate setup
Installation Notes
- Professional installation recommended.
- Top mount XM bushing 1in OD x 0.625in ID bottom EB bushing 0.375in hole x 1.125in width
- Bolt-on compatible with standard rod end or heim joint hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Custom | Street Rod | Hot Rod | All Builds |
| Custom | Chevrolet | Pickup | Rear 55-59 |
| Custom | Ford | F-100 | Rear 49-59 |
Why Choose QA1?
- Decades of suspension expertise from motorsports to street
- USA manufactured for consistent quality control
- Engineered valving proven in dyno and real-world testing
Frequently Asked Questions
-
Q: What applications does the US502 fit best
A: Designed for custom street rod rear suspensions with 16.875in max extension common in 49-59 trucks and chassis builds -
Q: What materials are used in construction
A: Billet aluminum shock body with hardened internals and bushing mounts for corrosion resistance and light weight -
Q: How do I service or warranty this shock
A: Rebuildable at QA1 service centers nationwide contact QA1 for warranty details and procedures
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure protective box 3in x 3in x 19in
- Weight: 7.05 lbs
QA1
QA1 suspension parts are stocked at Black Ops Auto Works for American muscle cars and classic trucks. Shop coilover kits, shock absorbers, springs, handling kits, four link systems, sway bars, strut kits, rod ends, and suspension hardware for the Mustang, Camaro, Corvette, Challenger, Charger, and GM B-Body, F-Body, and G-Body platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 536 QA1 SKUs across coilovers, shocks, springs, and handling kit categories. What This Brand Covers QA1 is a suspension manufacturer known for adjustable coilover systems, shock absorbers, and complete handling kits built for muscle cars, classic trucks, drag cars, and pro touring builds. The lineup covers everything from single component shock replacement to full vehicle handling packages. Brand Focus QA1 concentrates on American muscle car and classic truck platforms, with deep coverage of GM, Ford, and ...
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