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63-79 DSE Deca-Link Rear Suspension (Double-Adjustable Shocks, 17 Spline Axle, 600hp Halfshafts)

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The Detroit Speed Corvette IRS DECAlink rear suspension features Detroit Speed's exclusive no compromise suspension geometry for superior handling and ride quality. It utilizes modern CV axle shafts and hub bearings so that suspension loads are no longer transmitted to the axle shafts. The two-piece aluminum/steel cradle assembly allows for easy differential housing removal. The suspension is offset inboard to allow for additional tire clearance.

The DECAlink IRS works with an original 17-spline differential assembly. No body modifications are required on 1963-1979 Corvettes while the suspension is offset inboard for additional tire clearance. All suspension link lengths are adjustable and the kit has adjustments for rear anti-squat geometry and roll center height. The suspension points are hard mounted to eliminate stock rubber mounted suspension deflection.

Detroit Speed's Corvette rear suspension upgrade includes forged in the USA Detroit Speed aluminum uprights and a two-piece cast aluminum/steel cradle assembly which eases differential housing removal. DSE/JRi "Detroit Tuned" Coilover shocks/springs allow spring rate tuning and ride height adjustments. The kit includes a rear anti-roll bar and uses OEM cross-axis pivot bushings at all pivot points, Torrington bearings and a spanner tool for easy spring height adjustments.

Detroit Speed DECAlink rear suspension designed for 1963-1979 features 17-spline axles, halfshafts designed for up to 600hp and double-adjustable shocks. Features 550lbs/in springs.

The DSE/JRi shock is a pure blood pedigree racing shock in its most efficient form as a non-adjustable unit. Although non-adjustable, it shares all the increased dynamic responses of all the JRi adjustable models while providing excellent ride quality on the street.

DECAlink rear suspension specifications:

  • Total Suspension Travel = 6"
  • Ride Height* = 3" 1.0"
  • Static Camber = -0.3 .2
  • Static Toe = 0 .1
  • Total Bump Steer (20" toe span) = .027"

*Measured from bottom edge of upper cradle frame mount bracket to center of hub

Note: Corvette frame and differential not included with DECAlink rear suspension. DSE Rear Suspension system is designed for a factory differential. Requires Wilwood Superlight 4R-MCA disc brake kit with parking brake caliper and Wilwood's rear park brake cable kit to complete installation. 18" wheels are required. Due to clearence issues, spare tire assembly will need to be removed.

Detroit Speed Item Number 041740-DRDS

usaiconThis item is proudly Made in the USA

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Installation difficulty: 4

Our technicians have determined that the installation difficulty level of this item is a 4 on a scale of 1-5. Read more about our install ratings here.

Model Years

More Information
Generation C2, C3
Model Year 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979
Additional Item Information
  • Manufacturer Part Number: 041740-DRDS
  • P65 Warning WARNING: Cancer and Reproductive Harm -

Detroit Speed

Detroit Speed is committed to providing you with the best engineered parts you can find. They always strive for perfection in all that they do, from product design, product manufacturing, and development but also the way they interact with their customers. Detroit Speed has never settled for “good”, all their skilled people continue to push the limits in all they do. DSE products are designed in house by their own team of engineers that are in-tune with not only the latest manufacturing practices but also produced in the USA. This means your Corvette will have the finest and best performing suspension systems along with well thought out electric headlight and wiper system conversions.

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