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Garage Sale - Kirkey 53 Series Full Containment Modular Aluminum Seat
Garage Sale - Kirkey 53 Series Full Containment Modular Aluminum Seat

Garage Sale - Kirkey 53 Series Full Containment Modular Aluminum Seat

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Garage Sale - Kirkey 53 Series Full Containment Modular Aluminum Seat
Garage Sale - Kirkey 53 Series Full Containment Modular Aluminum Seat
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Part # 91070150
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What's In The Kit

Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Kirkey to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item 91070150 is made to order. It will be shipped from our warehouse when it is produced.

Build Your Kit

You're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
Item 1 of 3
Base for 910-70150
Base for 910-70150
Quantity: 1
Item 2 of 3
Shoulder Support 910-70150
Shoulder Support 910-70150
Quantity: 1
Item 3 of 3
Head Support for 910-70150
Head Support for 910-70150
Quantity: 1
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The Kirkey 53 Series 15 degree layback containment seat is designed for the short track racer who wants the added safety of a containment seat at a price they can afford. Designed using the same bottom that Kirkey's Lightweight Layback seat has for years assures this seat will fit in your car with ease. 

This seat has three basic sections. The base which is made in widths from 14" to 18" in 1" increments and with rib support to fit short, regular and tall heights. The shoulder support made in 19" to 23" widths in 1" increments. The head support is long or short depending on AR type.  Seats come with black upholstery.


  • Measure your hips (width)
  • Measure your shoulders (width)
  • Measure your torso height (sit on a flat surface, legs extended, and measure from the surface to your underarm).
    • Short = minimum 14.5" to 15.5"
    • Medium = minimum 16" to 17"
    • Tall = minimum 17.5"
  • Head restraint: long or short lefhand side

Kirkey Seat Sizing Chart (GIF)

Kirkey Seat Design Illustration (GIF)

Instructions (PDF)


Clearance! Not all sizes are available.




  • Dirt late models
  • IMCA modifieds
  • Short track asphalt late models
  • Street stocks


  • Unique three-piece design makes modifications possible
  • Integrated head and shoulder support system
  • Built to accomodate all head and neck restraint systems
  • Shortened left-side head containment system available for confined cockpits
  • Contoured high-density foam bottom provides complete leg and inner thigh support
  • Elongated bottom for total total leg support
  • Reinforced shoulder support with energy absorbing impact foam
  • Adjustable head containment system with energy absorbing impact foam
  • Padded rib supports for driver comfort and extra support
  • Aluminum extrusion around perimeter of seat
  • Available in standard sizes 14" to 18" hip widths in 1" increments
  • Modular components held together with grade five hardware
  • Optional leg extensions also available
Some parts are not legal for use in California or other states with similar laws/regulations

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What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Base for 910-70150
    Qty x 1
  • Shoulder Support 910-70150
    Qty x 1
  • Head Support for 910-70150
    Qty x 1

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