-9%
-QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 400lbs/in - Flat - Aluminum-Coilovers-QA1
Photo - Primary
Logo Image
Click to zoom in

QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 400lbs/in - Flat - Aluminum

QA1
QAPGS401-10400B
806990062086
Coilovers
2 Units In Stock - Ships Next Business Day
$ 830.83 $ 749.95
$ 749.95

SKU: GS401-10400B | UPC: 806990062086

QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 400lbs/in - Flat - Aluminum for 1968-1972 Chevrolet Chevelle Pontiac GTO Oldsmobile 442

Upgrade your ride with the QA1 GS401-10400B front Pro Coil single adjustable coil-over system, featuring 10-inch 400 lb/in high-travel springs with tapered flat ends and lightweight aluminum shocks. Designed as a bolt-in kit for stock mounts on 1968-1972 GM A-body vehicles including Chevelle, GTO, 442, Cutlass, LeMans, El Camino, and more. Enjoy precise ride height adjustment via fully threaded body and valving tuning for drag racing, autocross, street performance, or road racing handling.

Key Features

  • Single Adjustable Compression Valving: 18-position dial-a-damp for custom damping settings to match street cruising or track demands
  • Ride Height Adjustment: Fully threaded aluminum body allows 3.87 inches of travel from 10.13-inch compressed to 14-inch extended length without spring preload changes
  • Lightweight Aluminum Construction: Billet aluminum shocks reduce unsprung weight for faster suspension response and improved cornering
  • High Travel Springs: 10-inch 400 lb/in rate with fewer coils and smaller wire diameter for increased travel, quicker reaction, and optimized performance
  • Dyno Tested and Rebuildable: 100% serialized testing ensures reliability, serviceable at QA1 authorized centers

Product Notes

  • Sold as a complete pair with springs pre-assembled for front installation
  • Stock mount design fits factory upper and lower control arms directly
  • Box dimensions 15in L x 11in W x 9in H for secure transit

Installation Notes

  • Professional installation recommended.
  • Bolt-in replacement using factory mounts, no cutting or welding required
  • Compatible with stock control arms and sway bars on listed GM A-body models

This Part Fits

Year Make Model Submodel
1968-1969 Pontiac Tempest Custom
1970 Pontiac Tempest GT
1968-1969 Pontiac Tempest Safari
1968-1972 Chevrolet Chevelle Concours
1969-1972 Chevrolet Chevelle Concours Estate
1969-1972 Chevrolet Chevelle Greenbrier
1968-1972 Chevrolet Chevelle Malibu
1968-1972 Chevrolet Chevelle Nomad
1968-1972 Chevrolet Chevelle SS
1968-1972 Chevrolet El Camino Custom
1968-1972 Chevrolet El Camino SS
1971-1972 GMC Sprint Base
1972 GMC Sprint Custom
1968-1971 Oldsmobile 442 Base
1968-1972 Oldsmobile Cutlass Base
1972 Oldsmobile Cutlass Cruiser
1968 Oldsmobile Cutlass S
1968-1972 Oldsmobile Vista Cruiser Base
1968-1972 Pontiac GTO Base
1970-1971 Pontiac GTO The Judge
1968-1972 Pontiac LeMans Base
1972 Pontiac LeMans Luxury
1969-1970 Pontiac LeMans Safari
1970-1972 Pontiac LeMans Sport
1971 Pontiac LeMans T37
1970, 1972 Buick Skylark 350
1968-1972 Buick Skylark Base
1968-1972 Buick Skylark Custom
1968-1969 Buick Special Base
1968 Chevrolet Chevelle 300
1968-1969 Chevrolet Chevelle 300 Deluxe
1968 Chevrolet Chevelle Base

Why Choose QA1?

  • Founded in 1993 as leader in rod ends and suspension for racing markets
  • 83,000 sq ft USA manufacturing facility in Lakeville MN for driveline and shocks
  • Proven components tested across drag racing street rods autocross and road racing

Frequently Asked Questions

  • Q: Will this fit 1964-1967 GM A-body models?
    A: Designed specifically for 1968-1972 GM A-body vehicles listed in fitment table due to stock mount geometry
  • Q: What materials are used in construction?
    A: Lightweight billet aluminum shock bodies paired with high-strength steel internals and American-made high-travel springs
  • Q: What warranty coverage applies?
    A: Covered by QA1 warranty program with rebuild service available at authorized centers nationwide

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Pair boxed at 15in x 11in x 9in
  • Weight: 18.90 lbs

Request For Information

Have questions about QA1 GM Pro Front Coil-Over System - Single Adj. - 10in x 400lbs/in - Flat - 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

×