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Product Summary

70-81 Chevy Camaro, 70-81 Pontiac Firebird, Stock Car

  • The 27 Series is a brand new stock mount monotube shock
  • Featuring a zinc plated body, 46 MM hard anodized piston and multiple valving options, the 27 Series works like our tried and true 26 Series, but with stock mount option
  • They are zinc plated for corrosion resistance, and are a popular choice for street stocks, hobby stocks, mini stocks and other classes that require a stock mount shock
  • These shocks are available with Hyperscrew (27 Series), or Sealed Hyperscrew (27A Series) (IMCA Southern Sport Mod legal) Hyperscrew
  • The damping curve allows for complete control of suspension at low shaft speeds without creating extreme forces at high shaft velocities

Key Specs

Shock TypeMono Tube
Shock Body MaterialSteel
Shock Body TypeSmooth
Shock Body SizeLarge Body
Compression Valving3M

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QA1 27583M Details

  • The 27 Series is a brand new stock mount monotube shock
  • Featuring a zinc plated body, 46 MM hard anodized piston and multiple valving options, the 27 Series works like our tried and true 26 Series, but with stock mount option
  • They are zinc plated for corrosion resistance, and are a popular choice for street stocks, hobby stocks, mini stocks and other classes that require a stock mount shock
  • These shocks are available with Hyperscrew (27 Series), or Sealed Hyperscrew (27A Series) (IMCA Southern Sport Mod legal) Hyperscrew
  • The damping curve allows for complete control of suspension at low shaft speeds without creating extreme forces at high shaft velocities
  • Linear valving provides a more stable car and allows the driver to feel the car better
  • They are racer revalveable and rebuildable, designed for unparalleled repeatability
  • Made in the USA, these shocks are 100% dyno tested & serialized

QA1 27583M Specifications

KEY SPECS
MFG. Part #27583M
BrandQA1
Shock TypeMono Tube
Shock Body MaterialSteel
Shock Body TypeSmooth
Shock Body SizeLarge Body
Compression Valving3M
Rebound Valving3M
Upper Shock MountT-Bar
Lower Shock MountStud
Extended Length Range21.00" to 21.99"
Extended Length21.38"
Compressed Length Range12.00" to 12.99"
Compressed Length12.8"
FinishZinc Plated
Gas ChargedYes
GENERAL
Speedway Motors Catalog Part #721-27583M
Shock Stroke5.00
Schrader ValveNo
Body Diameter2"
RebuildableYes
Bushing MaterialPolyurethane
Sold in QuantityEach
NotesA linear shock with a hyperscrew and a valving of 3M.
GTIN Code806990095886
Boot IncludedNo
ColorZinc
Bushing ColorBlack
Lower MountStud
Adjustable ValvingNo
Upper MountT-Bar