DSE QuadraLink Rear Suspension Kit - Double-Adjustable Shocks (041714-DDS) - 1970 - 1981 Pontiac Firebird
Transform the rear suspension of your 1970-1981 Pontiac Firebird with the Detroit Speed QUADRALink Rear Suspension Kit. Designed as a serious performance upgrade from the original leaf spring suspension, the QUADRALink uses Detroit Speed's exclusive 4-link geometry to deliver improved handling, precise rear axle control, excellent ride quality, and smooth suspension articulation. Detroit Speed's patented Swivel-Link technology allows the suspension to articulate without binding, while tuned high-durometer rubber bushings provide smooth, quiet operation without relying on noisy, wear-prone rod ends.
The 041714-DDS configuration adds DSE/JRi aluminum-body double-adjustable coilover shocks with Detroit Tuned valving. Two independent adjustments and an extensive tuning range allow shock response to be tailored to the driver, vehicle setup, and performance demands while maintaining excellent street ride quality. Long upper links provide effective pinion and U-joint angle control, improved anti-squat geometry helps manage rear suspension behavior under acceleration, and the long adjustable Panhard rod precisely controls lateral axle movement during hard cornering. Combined with additional tire clearance from the inboard-offset lower links, this QUADRALink system gives a second-generation Firebird the suspension foundation needed for a serious street or performance build.
Specifications
- Part Number: 041714-DDS
- Product Type: QUADRALink Rear Suspension Kit
- Shock Type: Double-Adjustable
- Shock Construction: DSE/JRi Aluminum-Body Coilover
- Shock Valving: Detroit Tuned
- Shock Adjustments: Two Independent Adjustments
- Spring Rate: 250 pounds per inch
- Spring Free Length: 8 inches
- Axle: Stock
- Axle Brackets: Weld-On
- Required Axle Tube Diameter: 3 inches
- Link Finish: Black Powder Coat
- Compatible Tub Configuration: Detroit Speed Mini-Tubs or Stock Tubs
Features
- Exclusive Detroit Speed 4-link geometry engineered for high-performance handling
- Patented Swivel-Link technology provides smooth, no-bind suspension articulation
- Swivel-Links allow pinion angle and wheelbase adjustments without unbolting the links from the car
- Tuned high-durometer rubber bushings provide quiet, durable operation without rod ends
- DSE/JRi aluminum-body double-adjustable coilover shocks with Detroit Tuned valving
- Two independent shock adjustments provide an extensive suspension tuning range
- 250 pounds per inch coilover springs with an 8-inch free length
- Long upper arms provide effective pinion and U-joint angle control
- Improved anti-squat geometry enhances rear suspension control under acceleration
- Long Panhard rod provides precise lateral rear axle control during hard cornering
- Adjustable Panhard rod provides roll center control as ride height changes
- Rear upper shock crossmember strengthens the rear body and frame section
- Lower links are offset inboard for additional tire clearance
- Designed to work with Detroit Speed Mini-Tubs or stock tubs
- Allows continued use of the stock rear seat
- Includes coilover springs
- Includes a spanner tool for shock adjustments
- All suspension links are powder coated black
Fitment
- 1970 Pontiac Firebird
- 1971 Pontiac Firebird
- 1972 Pontiac Firebird
- 1973 Pontiac Firebird
- 1974 Pontiac Firebird
- 1975 Pontiac Firebird
- 1976 Pontiac Firebird
- 1977 Pontiac Firebird
- 1978 Pontiac Firebird
- 1979 Pontiac Firebird
- 1980 Pontiac Firebird
- 1981 Pontiac Firebird
Fitment Notes
DSE 041714-DDS is configured for a stock axle and includes weld-on axle brackets. Detroit Speed specifies that the axle brackets require 3-inch axle tubes. If you plan to order a complete rear-end assembly, Detroit Speed recommends ordering the QUADRALink version without axle brackets. The suspension is designed to work with either Detroit Speed Mini-Tubs or stock tubs, and the appropriate tub configuration should be specified for the vehicle.
FAQs
What is adjustable on the shocks included with DSE 041714-DDS?
The DSE/JRi double-adjustable coilover shocks provide two independent adjustments and an extensive tuning range, allowing shock response to be tailored to the driver, vehicle setup, and required performance level while retaining excellent street ride quality.
What axle tube size is required for DSE 041714-DDS?
Detroit Speed specifies 3-inch axle tubes for the weld-on axle brackets included with 041714-DDS. If you are ordering a complete rear-end assembly, Detroit Speed recommends using the QUADRALink configuration without axle brackets.
Can DSE 041714-DDS be used with stock wheel tubs?
Yes. Detroit Speed designed the QUADRALink system to work with either stock tubs or Detroit Speed Mini-Tubs. The appropriate configuration should be specified for the vehicle.
Why Buy Detroit Speed from Beefcake Racing?
Beefcake Racing is your source for Detroit Speed suspension components and complete performance solutions for classic muscle car builds. Whether you are modernizing a street-driven second-generation Firebird or building a serious pro-touring combination, our team can help you select the right QUADRALink components and supporting parts for your build. Questions about DSE 041714-DDS or your complete rear suspension setup? Email sales@beefcakeracing.com or call 1-855-827-7223 for assistance.
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