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$449.99
QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit

QA1 Adjustable 12 Inch Coil-Over Shock Kit

Universal Fit, 12.00" Mounted Length, Aluminum Shock Body Material

38 Reviews | 31 Answered Questions
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QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
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QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
QA1 Adjustable 12 Inch Coil-Over Shock Kit
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Part # 721485
$449.99
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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 10 Inch Coil-Over Spring, 2-1/2 Inch I.D.
QA1 10 Inch Coil-Over Spring, 2-1/2 Inch I.D.
Quantity: 2
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Details

Mounted Length:
12.00"
Shock Body Material:
Aluminum
Compressed Length Range:
10.00" to 10.99"
Compressed Length:
10.13"
Extended Length Range:
14.00" to 14.99"
Extended Length:
14.00"
Sold in Quantity:
Kit
Notes:
May need a spring compressor to fully assemble this kit.

Info

Modern Custom Shocks, Built For the Street

Without adjustable coil-over shocks, your car is stuck in old-school suspension mode. By installing this coilover shock kit, you’ll feel an improvement in both control and chassis feedback, right out of the box!

Get modern, best-in-class performance for your classic ride with the QA1 12 Inch Coil-Over Shock Kit. Made from premium billet aluminum bodies, they feature 18 easily adjustable rebound settings for hot rods and are not a revalved race shock - they were built specifically for a tunable, customized ride for your street rod.

Rebuildable and revavleable by authorized QA1 service centers, these are built for a lifetime of smooth riding.

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

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

Related Products

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 US402 Adjustable Shock and Coilover Kit w/o Spring, 12 Inch
    Qty x 2
  • QA1 10 Inch Coil-Over Spring, 2-1/2 Inch I.D.
    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!
  • Information behind the various styles of available shock absorbers.

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