SKU: GS401-10500B | UPC: 806990062109
QA1 GM Pro Front Coil-Over System – Single Adj. – 10in x 500lbs/in – Flat – Aluminum for 1968-1972 GM A-Body
QA1 GS401-10500B front Pro Coil single adjustable coil-over kit delivers precise handling upgrades for 1968-1972 GM A-body vehicles including Chevrolet Chevelle El Camino Pontiac GTO LeMans Oldsmobile Cutlass 442 Buick Skylark and more. This aluminum shock assembly includes 10-inch 500 lb/in high-travel flat/tapered springs compressed length 10.13 inches extended length 14 inches for bolt-in stock mount installation. Threaded body allows ride height changes while single adjuster tunes damping to suit drag racing street autocross or road course demands.
Key Features
- Single Adjustable Valving: One external knob adjusts compression and rebound together for quick tuning to driving conditions and style
- Ride Height Adjustable: Fully threaded aluminum body lets you set stance and balance without disassembly
- High Travel Springs: Lightweight American-made design with fewer coils smaller wire diameter increases suspension travel reduces unsprung weight for responsive performance
- Bolt-In Stock Mounts: Direct fit using factory upper lower locations no fabrication needed
- Dyno Tested Serialized: Each shock 100 percent tested for consistent damping serviceable at QA1 centers
Product Notes
- Sold in pairs for complete front suspension upgrade
- High travel springs react faster than stock for better control in all applications
- 15.8 lbs total weight reduces unsprung mass ships in 20in x 12in x 12in box
Installation Notes
- Professional installation recommended.
- Bolts directly to stock control arms and frame mounts
- Requires stock-style coilover spacers if retaining factory springs optional
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1968-1972 | Chevrolet | Chevelle | SS |
| 1968-1972 | Chevrolet | Chevelle | Malibu |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1968-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1968-1972 | Chevrolet | El Camino | SS |
| 1968-1972 | Chevrolet | El Camino | Custom |
| 1968-1972 | Pontiac | GTO | Base |
| 1970-1971 | Pontiac | GTO | The Judge |
| 1968-1972 | Pontiac | LeMans | Base |
| 1968-1972 | Oldsmobile | Cutlass | Base |
| 1968-1971 | Oldsmobile | 442 | Base |
| 1968-1972 | Buick | Skylark | Base |
| 1968-1972 | Buick | Skylark | Custom |
| 1971-1972 | GMC | Sprint | Base |
Why Choose QA1?
- Founded in 1993 leader in rod ends spherical bearings suspension for motorsports
- 83,000 sq ft USA manufacturing ensures consistent quality dyno-tested components
- Proven in drag street autocross road racing with rebuildable designs
Frequently Asked Questions
- Q: Will this fit my 1970 Pontiac GTO Judge?
A: Yes GS401-10500B fits 1968-1972 Pontiac GTO Base and The Judge models using stock mounts for direct bolt-in - Q: What are the shock dimensions and spring specs?
A: Compressed length 10.13 inches extended 14 inches 3.9 inches travel 10-inch spring 500 lb/in rate flat tapered ends aluminum body - Q: What warranty and service options exist?
A: Best-in-class warranty covers defects rebuildable at QA1 authorized centers serialized for tracking
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure box 20in L x 12in W x 12in H
- Weight: 15.8 lbs
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