Detroit Speed

1967-1970 Mustang Front Speed Kit 1

Non-Adjustable CO Shock

Part # 031377DS

1967-1970 Mustang Front Speed Kit 1

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The Detroit Speed Front Speed Kit 1 updates the look, handling, and performance of your classic Mustang to modern standards. The Speed Kit 1 lowers the ride height 1.5-3 inches with control arms, coilovers, and shock tower closeouts. Coilovers have been "Detroit Tuned" specifically for the suspension system. This kit pairs perfectly with your Detroit Speed Rear Mini-Tub Kit.


  • Lowers ride height 1.5-3 inches
  • Coilover spring/shock relocated to lower control arm for improved ride control
  • 1-piece style lower control arms include cross-axis bushing and heavy duty, adjustable strut rod pivot
  • Upper control arms feature DSE Caster Tuner slugs for improved alignment adjustability
  • “Detroit Tuned” non-adjustable coilover shock eliminates any guess work of adjusting shocks
  • Upper shock mount relocated under fender apron, making for clean engine compartment
  • Shock tower closeouts improve clearance, allowing for wider front wheel/tire packages
  • Compatible with all 67-70 Mustang spindles (not included)
Application1967-70 Mustang
Brand Detroit Speed
Coil Spring Rate325
Emission Code6
Product TypeFront Suspension
Shock TypeNon Adjustable
Spindle IncludedNA
Sway Bar DiameterNA
Sway Bar IncludedNo
California Proposition 65 RequiredYes
Part Number031377DS
Requires use of factory spindle

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Some parts are not legal for use in California or other states with similar regulations.