QA1 78-96 GM B-Body Upper Adjustable Trailing Arms

SKU: 5254 | UPC: 806990147349

QA1 78-96 GM B-Body Upper Adjustable Trailing Arms

QA1 upper adjustable trailing arms upgrade the rear suspension on 1978-1996 GM B-Body vehicles including Chevrolet Caprice Impala Buick Roadmaster Oldsmobile Custom Cruiser and Pontiac Bonneville. Built with spherical rod end assemblies on the chassis end these arms eliminate bushing bind for smoother suspension movement better tire contact and improved handling traction. Powder-coated gloss black they install as direct bolt-in replacements with greasable polyurethane bushings outperforming stock rubber.

Key Features

• Adjustable Design: Loosen jam nuts to set pinion angle and wheelbase on the vehicle without removal for customized suspension geometry
• Spherical Rod Ends: Use UHMW polyethylene bushings on chassis side to allow free movement reduce bind and deliver precise control
• Polyurethane Bushings: Fluted greasable types on differential end replace soft OE rubber for durability and consistent performance
• Steel Tubing Construction: 1-1/4 inch diameter 0.120 wall cold rolled steel provides strength flex resistance and lighter weight than boxed designs
• Powder-Coated Finish: Gloss black coating resists corrosion ensures long-lasting appearance under demanding conditions

Product Notes

• Direct fit for 1978-1996 GM B-Body platforms with easy bolt-in installation
• Engineered for drag racing street performance and street rodding applications
• Box dimensions 20.3 x 5.5 x 4.1 inches weight 9.1 lbs for straightforward shipping

Installation Notes

• Professional installation recommended.
• Bolt-on design uses factory mounting locations no fabrication needed
• Includes rod ends jam nuts and bushings for complete assembly

This Part Fits

Year	Make	Model	Submodel
1978-1981	Buick	LeSabre	Sport
1992-1995	Buick	Roadmaster	Base
1996	Buick	Roadmaster	Collector’s Edition
1991-1995	Buick	Roadmaster	Estate Wagon
1996	Buick	Roadmaster	Estate Wagon Collector’s Edition
1992-1995	Buick	Roadmaster	Limited
1978-1981	Pontiac	Bonneville	Base
1978-1981	Pontiac	Bonneville	Brougham
1978-1981	Pontiac	Bonneville	Safari
1978-1981	Pontiac	Catalina	Base
1978-1981	Pontiac	Catalina	Safari
1983-1986	Pontiac	Parisienne	Base
1983-1986	Pontiac	Parisienne	Brougham
1978-1983	Buick	Estate Wagon	Base
1978-1981	Buick	LeSabre	Base
1985	Buick	LeSabre	Collector’s Edition
1978	Buick	LeSabre	Custom
1982-1985	Buick	LeSabre	Custom
1985	Buick	LeSabre	Estate Wagon
1979-1985	Buick	LeSabre	Limited
1986-1992	Chevrolet	Caprice	Base
1978-1996	Chevrolet	Caprice	Classic
1986-1990	Chevrolet	Caprice	Classic Brougham
1978	Chevrolet	Caprice	Classic Estate
1981-1982	Chevrolet	Caprice	Classic Estate
1978-1981	Chevrolet	Caprice	Classic Landau
1987-1990	Chevrolet	Caprice	Classic LS Brougham
1991-1993	Chevrolet	Caprice	Classic LTZ
1979-1980	Chevrolet	Caprice	Classic Sport
1978-1985	Chevrolet	Impala	Base
1981-1982	Chevrolet	Impala	Estate
1978-1979	Chevrolet	Impala	Landau
1994-1996	Chevrolet	Impala	SS
1978-1992	Oldsmobile	Custom Cruiser	Base
1978-1983	Oldsmobile	Delta 88	Base
1980-1981	Oldsmobile	Delta 88	Holiday
1978-1985	Oldsmobile	Delta 88	Royale
1980-1985	Oldsmobile	Delta 88	Royale Brougham

Why Choose QA1?

• Founded in 1993 specializes in motorsports suspension components
• Manufactures in 83,000 sq ft facility in Lakeville Minnesota all American-made
• Pioneered rod ends spherical bearings for racing drag and street applications

Frequently Asked Questions

• Q: Will these fit my 1994-1996 Chevrolet Impala SS?
  A: Yes direct fit for 1994-1996 Chevrolet Impala SS along with other 1978-1996 GM B-Body models listed
• Q: What materials and bushings are used?
  A: 1-1/4 inch 0.120 wall steel tubing with greasable fluted polyurethane bushings and spherical rod ends with UHMW polyethylene
• Q: How simple is the adjustment and install?
  A: Bolt-in installation loosen jam nuts for on-car pinion angle wheelbase changes no removal required

Shipping & Handling

• Method: Standard ground shipping
• Availability: In stock – ships same or next business day
• Packaging: Single box 20.3 x 5.5 x 4.1 inches
• Weight: 9.1 lbs