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Detroit Speed QUADRALink Suspension Kit 1970-81 Firebird Double Adj Shocks 041714-D

Detroit Speed QUADRALink Suspension Kit 1970-81 Firebird Double Adj Shocks 041714-D
Detroit Speed QUADRALink Suspension Kit 1970-81 Firebird Double Adj Shocks 041714-D
$5,251.99 kt
NEWARRIVING SOONEstimated Ship Date 12/14/2021 (If Ordered Today)Out of stock at HOLLEY PERFORMANCE PRODUCTS as of 11/29/2021
Model: 3956613
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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This is a great way to upgrade from original leaf spring suspension. Unlike our competitors, Detroit Speed's exclusive new 4-link geometry design is uncompromised to achieve the best possible handling. The Detroit Speed Swivel-Link (Patent No. 7,398,984) allows the suspension to fully articulate with smooth solid motion an no binding. The best feature is that this is achieved without heim-joints.

Heim-joints are noisy and prone to short-term life. The Detroit Speed Quadralink utilizes tuned high-durometer rubber bushings (in place of heim joints or squeaky urethane bushings). The long upper links provide great pinion and u-joint angle control. Contrary to competitors' kits, our kit utilizes a panhard rod that provides precise and effective rear axle lateral location during hard cornering. The panhard rod is adjustable as ride height changes for roll center control.

The rear upper shock crossmember strengthens the rear body and frame section. Don't settle for anything less than our Quadralink rear suspension!
Details:

  • Quadralink Rear Suspension Kit - Double Adjustable Shocks
  • Great Upgrade From Original Leaf Spring Suspension
  • 4-Link Geometry Achieves Best Possible Handling
  • Heavy Duty Steel Construction
  • Components Have Powdercoat Finish
  • Cutting and Welding Required
  • Spring Rate: 250 Lbs/Inch
  • Spring Free Length: 8 Inches
  • Sold As A Kit
  • SKU: 041714-D

Fits Vehicles:

  • 1970-1981 Pontiac Firebird

Quadralink Features:

  • No compromises in suspension geometry
  • Designed to work with Detroit Speed Mini-Tubs or stock tubs (please specify)
  • Great ride
  • Detroit Speed exclusive no-bind Swivel-Link (Patented) technology
  • High durometer rubber bushings, no heim joints to wear out and make noise
  • Long upper arms for pinion angle control
  • Improved anti-squat geometry
  • Long panhard rod for rear axle lateral control during hard cornering
  • Stock back seat can still be used
  • DSE/JRi aluminum body coilover shocks with Detroit Tuned valving
  • Coilover Springs
  • Lower links are offset inboard for additional tire clearance
  • Spanner Tool for easy shock adjustments
  • All links are powdercoated black

Double Adjustable Shock:

  • This is the most race winning shock JRi has in its stable. With its two independent adjustments and the enormous range of adjustment it can be set to the exacting demands of the driver and performance levels required while providing excellent ride quality on the street.

Note:

  • Axle Brackets Require 3 Inch Axle Tubes
  • Axles Available Upon Request

About Detroit Speed

Detroit Speed puts a significant amount of effort into developing long-lasting, dependable products that are formulated to exceed late-model performance expectations. Our systems are designed by exceptionally qualified engineers and built by fabricators dedicated to making the best systems they possibly can. Our parts are made using state-of-the-art manufacturing technologies–CNC machining, forging, hydroforming, and more–to bring your classic muscle car to the 21st century.

Months of testing, revising, and polishing stand behind every product we make available to the public, and our test cars prove the point. Each of our development mules receive thousands of hard miles attending car shows, completing road trips, crushing autocross paddocks, and storming track days in the process. The pursuit of perfection has always been our primary goal, and it always will be. Because of this, we can confidently say our systems are the best, most comprehensive solutions to any and all your muscle car problems.

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years
Pontiac Firebird Esprit 1970 - 1981
Pontiac Firebird Formula 1970 - 1981
Pontiac Firebird Trans Am 1970 - 1981
Pontiac Firebird 1970 - 1981

Specifications:

Adjust Type Double Adjustable
Axle Tube 3.0 Inch
Color Black/Silver
Finish Bare/Powdercoat
Location Rear
Manufacturer Warranty 2-Year Limited Defects and Workmanship
Material Steel
Series Quadralink
Spring Free Length 8.0 Inch
Spring Rate 250 Lbs
Vehicle Type Car

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