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QA1 DS42-250 Proma Star single adjustable coilover shock kit with 9 inch 250lb springs
QA1 Proma Star single adjustable aluminum coilover shock absorber
QA1 9 inch 250 lb coilover shock package with springs and mounting hardware
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QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - 9in - 250lb/in - Alum

QA1
QAPDS42-250
806990234889
Shocks and Struts
4 Units In Stock - Ships Next Business Day
$ 753.27 $ 679.95
$ 679.95

SKU: 52877   |   UPC: 806990065155


QA1 78-88 G-Body Front Sway Bar - 1-3/8in

QA1 Front Sway Bars are manufactured from lightweight hollow-core 4130 Chromoly steel for maximum strength and durability while reducing unsprung weight.

CNC-formed for precision fitment, this 1-3/8" front sway bar delivers improved handling, reduced body roll, and a true bolt-on installation on 1978-1988 GM G-Body vehicles. Finished in a durable gloss black powder coat with greasable graphite polyurethane bushings and high-quality plated hardware included.

Key Features

  • 1-3/8" Hollow-Core Chromoly Steel – Lightweight yet extremely strong for superior handling
  • CNC-Formed Precision Fitment – True bolt-on design with no modifications needed
  • Gloss Black Powder Coat Finish – Excellent corrosion resistance and lasting appearance
  • Greasable Graphite Polyurethane Bushings – Reduced friction and long service life
  • High-Quality Plated Hardware – Everything needed for a complete installation
  • Improved Cornering & Stability – Significantly reduces body roll under load

Specifications

Detail Value
Brand QA1
Part Number 52877
UPC 806990065155
Diameter 1-3/8 inches
Material Hollow-Core 4130 Chromoly Steel
Finish Gloss Black Powder Coat
Bushings Greasable Graphite Polyurethane
Country of Origin United States
Warranty QA1 Limited Lifetime Warranty

Whats Included

  • QA1 1-3/8" Front Sway Bar
  • Greasable Graphite Polyurethane Bushings
  • High-Quality Plated Mounting Hardware

Product Notes

  • Designed specifically for 1978-1988 GM G-Body platforms
  • Direct bolt-on replacement – no cutting or welding required
  • Professional alignment recommended after installation
  • Great upgrade for street, strip, or handling-focused builds

This Part Fits

Year Range Make Model Notes
1978–1988 Buick Regal (All Submodels) Including Grand National, GNX, T-Type
1978–1987 Chevrolet El Camino (All Submodels) Including SS, Conquista
1978–1982 Chevrolet Malibu (All Submodels) Including Classic, Estate
1978–1988 Chevrolet Monte Carlo (All Submodels) Including SS, Landau
1981–1987 GMC Caballero (All Submodels) Including Diablo, Royal Knight
1978–1981 Oldsmobile Cutlass (All Submodels) Including Brougham, LS
1978–1987 Pontiac Bonneville (All Submodels) Including Safari, LE
1978–1987 Pontiac Grand Prix (All Submodels) Including Brougham, LE
1979–1981 Pontiac LeMans (All Submodels) Including Safari

Why Choose QA1?

  • Leading manufacturer of high-performance suspension components
  • Precision-engineered Chromoly sway bars for maximum strength-to-weight ratio
  • Over 30 years of experience in American muscle and classic car performance
  • Limited Lifetime Warranty and unmatched quality control

Frequently Asked Questions

  • Q: Will this sway bar fit my 1986 Buick Grand National?
  • A: Yes, it is a direct fit for all 1978–1988 GM G-Body vehicles including the Grand National.
  • Q: What is the diameter of this sway bar?
  • A: It measures 1-3/8 inches and is constructed from hollow-core 4130 Chromoly steel.
  • Q: Are bushings and hardware included?
  • A: Yes, greasable graphite polyurethane bushings and all necessary plated hardware are included.
  • Q: Is any modification required for installation?
  • A: No – this is a true bolt-on upgrade with CNC-formed precision fitment.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock – ships same or next business day
  • Packaging: Secure retail box
  • Weight: 18 lbs

Request For Information

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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 ...

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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...

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