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QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 550lbs/in - Flat Large - Aluminum

QA1
QAPGS507-10550C
806990136824
Coilovers
1 Units In Stock - Ships Next Business Day
$ 830.83 $ 749.95
$ 749.95

SKU: GS507-10550C | UPC: 806990136824

QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 550lbs/in - Flat Large - Aluminum for 1958-1996 Impala Full Size GM Ford

QA1 GM Pro Front Coil-Over Systems provide precise ride height and valving adjustments for 1958-1996 Chevy Impala Caprice Bel Air Biscayne Caprice plus full-size Chevrolet Buick Oldsmobile Pontiac and select Ford Galaxie Mercury Monterey models. Single adjustable coil-overs include 10-inch 550 lbs/in high-travel springs with lightweight aluminum bodies for sharp handling in street driving drag racing autocross and road racing. Threaded aluminum bodies allow simple ride height tuning and weight distribution setup using direct bolt-in installation on factory mounts.

Key Features

  • Single Adjustable Compression Valving: Tune damping to match your driving style from street comfort to track demands with independent adjustment.
  • Fully Threaded Aluminum Body: Adjust ride height over a wide range for perfect stance and handling balance without disassembly.
  • High-Travel 10in x 550lbs/in Springs: American-made lightweight design with fewer coils smaller wire diameter increases travel reduces unsprung weight for faster suspension response.
  • Lightweight Billet Aluminum Shocks: Durable construction lowers overall weight improves performance across drag street rod and racing applications.
  • 100% Dyno Tested Serialized: Each unit rigorously tested for consistent quality rebuildable at QA1 service centers.

Product Notes

  • Sold in pairs for complete front suspension upgrade.
  • Serviceable and rebuildable by QA1 authorized centers extends product life.
  • Ships in protective packaging weighs 22 lbs box dimensions 21in L x 13in W x 7in H.

Installation Notes

  • Professional installation recommended.
  • Bolt-in design fits factory lower control arm mounts on specified full-size chassis.
  • Verify upper shock mount compatibility uses factory-style studs for Impala Caprice applications.

This Part Fits

Year Make Model Submodel
1958-1975 Chevrolet Bel Air Base
1958-1972 Chevrolet Biscayne Base
1960 Chevrolet Biscayne Fleetmaster
1966-1972 Chevrolet Caprice Base
1986-1991 Chevrolet Caprice Base
1973-1991 Chevrolet Caprice Classic
1971-1985 Chevrolet Impala Base
1975-1977 Chevrolet Impala Custom
1976 Chevrolet Impala Custom Landau
1981-1982 Chevrolet Impala Estate
1977-1979 Chevrolet Impala Landau
1975-1976 Chevrolet Impala Sport
1979-1980 Chevrolet Impala Sport
1994-1996 Chevrolet Impala SS
1986-1990 Chevrolet Caprice Classic Brougham
1976-1978 Chevrolet Caprice Classic Estate
1976-1981 Chevrolet Caprice Classic Landau
1960-1964 Ford Galaxie Base
1961 Ford Galaxie Club Victoria
1960-1964 Mercury Monterey Base
1962-1963 Mercury Monterey Custom

Why Choose QA1?

  • Proven leader in motorsports suspension with decades of drag racing and street performance success.
  • Every shock dyno tested serialized for reliability you can trust.
  • Engineered in the USA with high-travel components for real-world durability.

Frequently Asked Questions

  • Q: Will this fit a 1994-1996 Impala SS front suspension?
    A: Yes GS507-10550C bolts into 1994-1996 Impala SS and other listed full-size GM models with factory mounts for direct replacement.
  • Q: What materials are used in the construction?
    A: Features billet aluminum shock bodies lightweight high-travel steel springs and large flat aluminum spring seats for strength and reduced weight.
  • Q: What support does QA1 provide post-purchase?
    A: Fully rebuildable at authorized QA1 service centers nationwide includes detailed instructions and technical support for valving and height adjustments.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Secure original manufacturer box 21in x 13in x 7in
  • Weight: 22 lbs

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