DSE Rear Tubular Sway Bar Kit - 1-1/8 Inch - 2-3/4 Inch Axle Tubes (042209DS) - 1978-1988 GM G-Body
Take rear suspension control to a more aggressive level with the Detroit Speed Rear Tubular Sway Bar Kit. Designed for 1978-1988 GM G-Body applications with 2-3/4 inch axle tubes, part number 042209DS uses a 1-1/8 inch tubular rear sway bar engineered for more performance-oriented vehicles. By controlling rear body roll and providing two rate settings, this kit gives street-performance, autocross, and pro-touring builds another valuable tool for dialing in chassis balance and cornering response.
Detroit Speed takes a different approach than the factory lower control arm-mounted rear bar. The 042209DS sway bar attaches to the rear axle housing and chassis, allowing the chassis to stabilize the rear axle instead of transferring the load through the opposite control arm. This arrangement helps minimize deflection under heavy cornering loads. Low-friction ball-style end links allow the bar to articulate freely through rear suspension travel, while split lock collars positively locate the bar. The tubular steel bar is finished in high-gloss black powder coat and includes the necessary mounting components for installation.
Specifications
- Manufacturer: Detroit Speed
- Part Number: 042209DS
- Product Type: Rear Tubular Sway Bar Kit
- Position: Rear
- Application: 1978-1988 GM G-Body
- Axle Tube Diameter: 2-3/4 inches
- Sway Bar Diameter: 1-1/8 inches
- Construction: Tubular steel
- Finish: High-gloss black powder coat
- Adjustment: Dual-rate, two-position adjustment
- Front Hole Rate: 1,084 pounds per inch
- Rear Hole Rate: 1,422 pounds per inch
- Recommended Starting Position: Forward mounting hole
- Installation: Bolt-on package
Features
- 1-1/8 inch tubular rear sway bar designed for more performance-oriented G-Body applications
- Designed specifically for applications using 2-3/4 inch rear axle tubes
- Attaches to the rear axle housing and chassis rather than using the factory lower control arm mounting arrangement
- Chassis-mounted design helps minimize suspension deflection under heavy cornering loads
- Low-friction ball-style end links allow free articulation throughout rear suspension travel
- Dual mounting positions provide two sway bar rates for chassis tuning
- 1,084 pounds per inch front-hole rate and 1,422 pounds per inch rear-hole rate
- Detroit Speed recommends the forward mounting hole as the initial setup position
- Split lock collars positively locate the sway bar in the correct position
- High-gloss black powder-coated finish provides durability and a clean performance appearance
- Can be used independently or with other Detroit Speed rear suspension components
- Bolt-on design simplifies installation without requiring a complete rear suspension conversion
Fitment
- 1978 GM G-Body with 2-3/4 inch axle tubes
- 1979 GM G-Body with 2-3/4 inch axle tubes
- 1980 GM G-Body with 2-3/4 inch axle tubes
- 1981 GM G-Body with 2-3/4 inch axle tubes
- 1982 GM G-Body with 2-3/4 inch axle tubes
- 1983 GM G-Body with 2-3/4 inch axle tubes
- 1984 GM G-Body with 2-3/4 inch axle tubes
- 1985 GM G-Body with 2-3/4 inch axle tubes
- 1986 GM G-Body with 2-3/4 inch axle tubes
- 1987 GM G-Body with 2-3/4 inch axle tubes
- 1988 GM G-Body with 2-3/4 inch axle tubes
Fitment Note: Detroit Speed lists 042209DS for 1978-1988 GM G-Body applications and specifically identifies this version for 2-3/4 inch axle tubes. Verify rear axle tube diameter before ordering. Detroit Speed offers separate rear sway bar kits for 3 inch axle tubes.
FAQs
What axle tube size does Detroit Speed 042209DS fit?
Part number 042209DS is specifically designed for 2-3/4 inch axle tubes. Because Detroit Speed also offers G-Body sway bars for 3 inch axle tubes, measuring or confirming your rear axle tube diameter before ordering is important.
Is the Detroit Speed 042209DS rear sway bar adjustable?
Yes. The 1-1/8 inch sway bar provides two end-link mounting positions. The front hole delivers a rate of 1,084 pounds per inch, while the rear hole delivers 1,422 pounds per inch. Detroit Speed recommends starting with the forward mounting hole.
How does the 042209DS sway bar mount compared with the factory rear bar?
Instead of mounting through the lower control arms like the factory arrangement, the Detroit Speed sway bar attaches to the rear axle housing and chassis. This allows the chassis to stabilize the rear axle directly and helps minimize deflection under heavy cornering loads.
Why Buy Detroit Speed from Beefcake Racing?
Beefcake Racing is your source for Detroit Speed suspension components engineered to transform classic GM platforms into sharper, more capable street and performance machines. Whether you are upgrading a daily-driven G-Body or building a serious autocross or pro-touring combination, our team can help you match the right suspension components to your goals. Questions about Detroit Speed 042209DS or your build? Email sales@beefcakeracing.com or call 1-855-827-7223.
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