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$443.69
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit

QA1 Adjustable 15.3 Inch Coil-Over Shock Kit

Universal Fit, 15.30" Mounted Length, Aluminum Shock Body Material, Chrome

21 Reviews | 18 Answered Questions
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QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
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QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
QA1 Adjustable 15.3 Inch Coil-Over Shock Kit
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Part # 721785
$443.69
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What's In The Kit
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  • Shocks feature a billet aluminum shock body
  • Integrated 18-position adjuster knob changes the rebound valving
  • 3-step sealing system ensures many problem free miles
  • 5/8" centerless ground, hard chrome plated, solid piston rod
  • Has 5/8" I.D. mounting eyes and includes 1/2" bushing

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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 1
QA1 14x2.5" Coilover Chrome-Silicon Racing Spring
QA1 14x2.5" Coilover Chrome-Silicon Racing Spring
Quantity: 2
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Details

Mounted Length:
15.30"
Shock Body Material:
Aluminum
Upper Shock Mount:
5/8 Inch Eyelet
Lower Shock Mount:
5/8 Inch Eyelet
Compressed Length Range:
12.00" to 12.99"
Compressed Length:
12.50"
Extended Length Range:
18.00" to 18.99"
Extended Length:
18.75"
Finish:
Chrome
Bushing Length:
1.25"
Inside Diameter:
2.50"
Sold in Quantity:
Kit

Info

These premium aluminum bodied shocks are not a revalved race shock - they were built specifically for street rods. QA1 shocks feature 18 easily adjustable rebound settings to fine tune your hot rod's ride. Has 5/8" I.D. mounting eyes and includes 1/2" bushing. Sold as a pair.

Note: Shock lengths represent mounted length at ride height.

Coil-Over Chart (Link)

Coil-Over Mounting Guide (GIF)

Notes

Shock 

  • Billet aluminum shock body
  • 5/8" centerless ground, hard chrome plated, solid piston rod 
  • Deflective Disc Valving
  • 3-step sealing system
  • 18-position adjuster knob changes the rebound valving
  • Allows suspension control in one easy-to-reach location
  • 100% dyno tested and serialized
  • Revalveable and rebuildable by QA1 authorized service centers

Spring 

  • 2-1/2" I.D. chrome-silicon spring
  • Guaranteed to stay within 2% of rate and length FOR LIFE

When a spring rate less than 125 lbs may be required, we are able to substitute into the kit and provide this kit with an AFCO spring of the following spring rates and spring #s in place of the QA1 springs utiilzed.  Simply note in the Comments Box at check out that you will need either of the following spring #s provided as part of this kit that you are ordering and we will provide the kit with this spring # in place of the spring rate selected into your cart.

  • 106-24080CR     Afco 14" Chrome Coilover Spring 80 LBS
  • 106-24100CR     Afco 14" Chrome Coilover Spring 100 LBS
  • 106-24110CR     Afco 14" Chrome Coilover Spring 110 LBS

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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.
  • QA1 US602 Adjustable Shock and Coilover Kit w/o Spring, 15.3 Inch
    Qty x 2
  • QA1 14x2.5" Coilover Chrome-Silicon Racing Spring
    Qty x 2

Reviews

Q & A

Videos & Articles
  • Visit the Toolbox

    The Toolbox is Speedway Motors' hub for professionally written articles.

  • In this episode, Project Chevelle gets coilovers and a much-needed altitude adjustment. Watch as we install QA1 bolt-on coilover kits front and rear, then dial in the perfect stance and shock settings. Our old Chevelle is really starting to look mean!
  • Speedway Motors employee Steve is back to work on his 1976 Chevrolet Laguna, this time installing a QA1 Coilover kit in his front suspension.

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