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QA1 QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Flat Large - Aluminum
QA1 QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Flat Large - Aluminum
QA1 QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Flat Large - Aluminum
QA1 QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Flat Large - Aluminum
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QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Flat Large - Aluminum

QA1
QAPGD507-10450C
806990136602
Coilovers
Out of stock
$ 1,069.01 $ 964.95

SKU: GD507-10450C | UPC: 806990136602

QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Flat Large - Aluminum for 1971-1996 Impala Full Size GM Vehicles

Upgrade your 1971-1996 Impala Caprice or full-size GM vehicle with the QA1 GD507-10450C Pro Front Coil-Over System. This double adjustable kit delivers precise ride height and valving control for street driving drag racing or autocross. Lightweight aluminum shocks and 450 lb/in high-travel springs improve handling response and suspension travel over stock setups.

Key Features

  • Double Adjustable Valving: Independent compression and rebound adjustments match damping to driving style from street to track
  • Lightweight Billet Aluminum Body: Reduces unsprung weight for faster suspension reaction and better performance
  • High Travel Springs: 10-inch travel 450 lb/in rate with fewer coils smaller wire diameter increases distance between coils for more travel
  • Ride Height Adjustable: Fully threaded body lets you set perfect stance or tune weight balance for handling
  • Bolt-In Design: Direct installation on compatible GM full-size vehicles no major modifications needed

Product Notes

  • 100% dyno tested serialized for consistent quality
  • Serviceable rebuildable at QA1 authorized centers
  • Sold in pairs made in USA

Installation Notes

  • Professional installation recommended.
  • Bolt-in using factory style upper lower mounts
  • Check lower control arm clearance after install

This Part Fits

Year Make Model Submodel
1971-1996 Chevrolet Impala All
1971-1996 Chevrolet Caprice All
1991-1996 Buick Roadmaster All
1971-1996 Oldsmobile Delta 88 All
1971-1994 Oldsmobile Ninety-Eight All
1971-1986 Pontiac Bonneville All

Why Choose QA1?

  • Proven in drag racing street performance autocross road racing street rods
  • High travel springs react faster than stock
  • Engineered for full adjustability dyno validated

Frequently Asked Questions

  • Q: Will this fit my 1971-1996 Chevrolet Impala?
    A: Yes direct bolt-in front coil-over replacement for Impala Caprice and other full-size GM B-body vehicles 1971-1996
  • Q: What material is the shock body?
    A: Billet aluminum black anodized finish lightweight durable construction
  • Q: Is the valving rebuildable?
    A: Fully serviceable rebuildable at QA1 authorized service centers nationwide

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Single box 28 x 12 x 10 inches
  • Weight: 22 lbs

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