-9%
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
Click to zoom in

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

QA1
QAPGD507-10450C
806990136602
Coilovers
1 Units In Stock - Ships Next Business Day
$ 1,069.01 $ 964.95
$ 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

Request For Information

Have questions about QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 450lbs/in - Flat Large - Aluminum? Fill out the form below and we'll get back to you by the next business day.
Coilovers

Coilovers

Coilovers from KW Suspension, Bilstein, FOX, ICON Vehicle Dynamics, Ohlins, Silver's NEOMAX, BC Racing, Fortune Auto, Ridetech, QA1, H&R, and Eibach are stocked at Black Ops Auto Works for street cars, track cars, off-road trucks, lift-application SUVs, and classic muscle car conversions. Every product is filterable by year, make, model, trim, and drivetrain so the correct coilover kit ships the first time. Black Ops Auto Works carries 1,646 coilover SKUs across non-adjustable, single-adjustable, double-adjustable, and remote-reservoir categories. What This Collection Covers A coilover combines a shock absorber and coil spring into a single adjustable unit with a threaded body for ride height adjustment. Coilovers offer purpose matched spring rates and damper valving that a lowering spring on a factory shock cannot replicate. Product Categories Non-adjustable coilovers, single-adjustable coilovers, double-adjustable coilovers, remote-reservoir coilovers, off-road lift coilov...

View Coilovers Products
Coilovers & Components

Coilovers & Components

Coilovers and coilover components are stocked at Black Ops Auto Works for trucks, SUVs, muscle cars, and street performance builds. Shop complete coilover kits, coilover springs, lowering springs, shock boots, dampening adjustment extenders, and suspension hardware for Ford, Toyota, Chevrolet, Jeep, Dodge, and Porsche platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct coilover setup ships the first time. Black Ops Auto Works carries 2,259 coilover and component SKUs across street, off-road, and track categories. What This Collection Covers Coilovers combine a coil spring and a shock absorber into a single adjustable unit, giving control over ride height and, on many models, damping stiffness. This collection also includes the individual components used to service, upgrade, or protect an existing coilover system. Product Categories Complete coilover kits, individual coilover shocks, coilover springs, lowering springs, protective shock...

View Coilovers & Components Products
QA1

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
Suspension

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
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×