-9%
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
Click to zoom in

QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - 9in - 250lb/in - Alum

QA1
QAPDS42-250
806990234889
Shocks and Struts
1 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
Read More
Read Less

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
QA1

QA1

Shop All QA1 Coilovers, Shocks, Springs, Handling Kits & Suspension Components Browse premium QA1 suspension parts and performance components at Black Ops Auto Works, including coilover kits, shock absorbers, lowering kits, handling kits, suspension conversion systems, four-link systems, springs, struts, rod ends, linkage rods, tube adapters, and suspension hardware for muscle cars, trucks, street builds, drag cars, and pro-touring applications. QA1 is one of the most recognized names in the suspension category, known for engineering products that improve ride quality, adjustability, handling, weight transfer, and overall vehicle control. Why Choose QA1 Suspension Products QA1 products are built for enthusiasts looking to improve suspension performance on classic, street, strip, and performance truck platforms. Popular reasons customers choose QA1 include: Adjustable suspension tuning for street and track use Improved handling, ride control, and weight transfer Vehicle-specific...

View QA1 Products
Shocks and Struts

Shocks and Struts

Shop shocks and struts at Black Ops Auto Works for improved ride control, handling, stability, comfort, towing support, off-road performance, and suspension replacement. This collection includes shock absorbers, monotube shocks, gas shocks, hydraulic shocks, strut assemblies, front struts, rear shocks, coil-over shocks, reservoir shocks, steering dampers, suspension hardware, and vehicle-specific dampers for cars, trucks, SUVs, Jeeps, off-road builds, and performance vehicles. Use this Shocks and Struts collection to find the right suspension upgrade by vehicle, ride height, driving style, and product type. Replacement shocks and struts help restore ride quality, performance shocks improve control and stability, heavy-duty truck shocks support larger vehicles and lifted setups, and off-road shocks help improve durability and control on rough terrain. Shop Shocks and Struts by Brand Black Ops Auto Works carries shocks, struts, and suspension dampers from trusted brands including Bils...

View Shocks and Struts Products
Suspension

Suspension

Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...

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

×