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
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