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SKU: US402 | UPC: 806990060846
QA1 Ultra Ride Series Shock Absorber - Rebound Adj. - Bushing Mount - 10.125in/14in - Aluminum Custom Street Rod Fit
QA1 US402 Ultra Ride Series delivers rebound adjustable coil-over performance in a lightweight aluminum package designed for street rods and custom applications. This bushing mount shock fits custom setups with 10.125 inch compressed length 14 inch extended length and 3.875 inch stroke for precise handling. Dyno tested with fixed compression valving it provides smooth street ride control and easy ride height tuning via coil preload.
Key Features
- Rebound Adjustable: 18 precise valving clicks allow fine tuning of rebound damping for balanced handling and ride comfort on street rods
- Fixed Compression Valving: Comfort oriented compression setting ensures plush ride quality without harshness on rough roads
- Lightweight Aluminum Body: Billet construction reduces unsprung weight for quicker response and better fuel efficiency in custom builds
- Coil-Over Design: Threaded spring seat enables simple ride height adjustments and bolt-in installation without custom fabrication
- Built and Tested in USA: 100 percent dyno tested serialized serialized rebuildable and serviceable at QA1 centers for long term reliability
Product Notes
- Coil spring sold separately select based on vehicle weight and spring rate needs
- Fully rebuildable contact QA1 authorized service centers for maintenance
- Product weight 5.6 lbs ships in 15.5 x 3.8 x 3.8 inch box
Installation Notes
- Professional installation recommended.
- Verify shock dimensions match suspension travel before install
- Bushing mounts top and bottom use 0.375 inch ID hardware sold separately
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | Street Rod | Custom Applications | N/A |
| Universal | Muscle Car | Rear Suspension Custom | N/A |
Why Choose QA1?
- Decades of suspension expertise for motorsports and street performance
- Every shock dyno tested for consistent damping performance
- Rebuild program keeps shocks performing like new over time
Frequently Asked Questions
-
Q: What vehicles does the QA1 US402 fit?
A: Designed for custom street rod and muscle car applications verify compressed 10.125in extended 14in dimensions suit your suspension geometry -
Q: What materials are used in construction?
A: Billet aluminum body 1 inch steel shaft and PTFE impregnated bushings for corrosion resistance and smooth operation -
Q: What is the warranty and service option?
A: Serialized for rebuild service at QA1 centers contact manufacturer for warranty details and rebuild process
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 15.5 x 3.8 x 3.8 inches
- Weight: 6 lbs shipping weight
QA1
Shop All QA1 Coilovers, Shocks, Springs, Handling Kits & Suspension Components Browse premium QA1 suspension parts and performance components at Black Ops Auto Works, including coilover kits, shock absorbers, lowering kits, handling kits, suspension conversion systems, four-link systems, springs, struts, rod ends, linkage rods, tube adapters, and suspension hardware for muscle cars, trucks, street builds, drag cars, and pro-touring applications. QA1 is one of the most recognized names in the suspension category, known for engineering products that improve ride quality, adjustability, handling, weight transfer, and overall vehicle control. Why Choose QA1 Suspension Products QA1 products are built for enthusiasts looking to improve suspension performance on classic, street, strip, and performance truck platforms. Popular reasons customers choose QA1 include: Adjustable suspension tuning for street and track use Improved handling, ride control, and weight transfer Vehicle-specific...
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Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...
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