-9%
Click to zoom in
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
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 ...
View QA1 Products
Shocks and Struts
Shocks and struts for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop front and rear shocks, loaded strut assemblies, monotube shocks, twin-tube shocks, reservoir shocks, and steering dampers for daily drivers, lifted trucks, tow rigs, off-road builds, and muscle cars on Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and EcoBoost platforms. Every shock and strut is filterable by year, make, model, trim, drivetrain, front or rear position, and ride height so the correct part ships the first time. Black Ops Auto Works carries 5,188 shock and strut SKUs across construction type, application, and vehicle use. What This Category Covers Shocks and struts damp spring oscillation so the tire stays planted on the road and are the most common suspension replacement job on any vehicle. A shock absorber is a standalone damping unit that bolts between the chassis and axle or lower control arm. A strut is a structural suspension member that combines damping with the sp...
View Shocks and Struts Products
Suspension
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
View Suspension Products