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QA1 US402 Adjustable Shock and Coilover Kit w/o Spring, 12 Inch

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#7214855

QA1 US402 Adjustable Shock and Coilover Kit w/o Spring, 12 Inch

Name: QA1 US402 Adjustable Shock and Coilover Kit w/o Spring, 12 Inch
Brand: QA1
SKU: 7214855
Price: 249.95 USD
Availability: InStock
Rating: 4.7 (10 reviews)

10 Reviews

3 Questions

Measures 11-3/4" - 12-1/4" ride height
Specifically designed to use a 10" spring
Has a height of 14" extended and 10-1/8" compressed

Compressed/Extended:

10-1/8"-14"

12-5/8"-18-3/4"11-5/8"-16-7/8"11-1/8"-15"9-1/2"-12-3/4"8-3/4"-11-1/8"

$249.95

/each

In Stock

$276.90

Save $26.95

Garage Sale alternatives: from $194.2

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Product Summary

Universal Fit, Rear Position, 12" Mounted Length

Measures 11-3/4" - 12-1/4" ride height
Specifically designed to use a 10" spring
Has a height of 14" extended and 10-1/8" compressed
Features an aluminum construction with a polished finish
Includes steel sleeves for shock eyes to fit both 1/2" and 5/8" bolts

See more details

Key Specs

Position	Rear
Mounted Length	12"
Shock Adjustability	Single Adjustable
Shock Type	Mono Tube
Shock Body Material	Aluminum

See more specs

Need To Know

Need help?

855.313.9176

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Quick and Easy Returns

Return Policy

QA1 US402 Details

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 rods ride. Comes with steel coilover sleeves for the shock eyes to fit 1/2" bolts or 5/8" bolts. Springs NOT included.

11-3/4" - 12-1/4" ride height
14" extended, 10-1/8" compressed
Use 10" spring
Width of Mount Bushings: 1.25"

Note: Shock lengths represent approximate mounted length at ride height.

Charts

Coil Over Mounting Guide (GIF)

Coil Over Mount Illustration (GIF)

Features

Features:

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

Guides & Documents

Coilovers Technical Information (7214855)

Coilovers Installation Instructions (7214855)

Warranty (QA1)

Technical Information (QA1)

Warranty Information

Limited Lifetime Warranty (PDF)

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

QA1 US402 Specifications

KEY SPECS
MFG. Part #	US402
Brand	QA1
Position	Rear
Mounted Length	12"
Shock Adjustability	Single Adjustable
Shock Type	Mono Tube
Shock Body Material	Aluminum
Upper Shock Mount	Bushed Eyelet
Lower Shock Mount	Bushed Eyelet
Height Adjustable	Yes
Finish	Polished

GENERAL
Compressed Length Range	10.00" to 10.99"
Compressed Length	10.13"
Extended Length Range	14.00" to 14.99"
Extended Length	14"
Spring Length	9 Inch
Number of Valving Selections	18
Mounted Length Range	11 1/2" - 12 1/2"
Coilover Springs Included	No
Slot Width	1.25"
Tube O.D.	2.015"
Sold in Quantity	Each
Adjustable	Yes
Notes	Include steel sleeves for shock eyes to fit both 1/2" and 5/8" bolts.
GTIN Code	806990060846

Ratings & Reviews

4.7

10 Reviews

Overall Assessment

Customers praised the product for its high quality, usability, and durability. They appreciated its adjustability, citing the 18 adjustable rebound settings as a standout feature enabling perfect ride customization. Its practicality was highlighted, shown to work excellently on a variety of cars, including as a superior replacement for competitors' models. Some customers also commended its great value for price and technical support. The only minor issue raised was concerning the travel distance, which was closer to 3.5" than the stated 4".

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4.7

10 reviews

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Sort Reviews

Nice ride

5.0

2 years ago

schurm

Nebraska

Verified

Ride is great

Would Recommend

i would buy this again

5.0

4 years ago

no body

Verified

i put them on a 1930 ford st rod

Would Recommend

Yes

5.0

5 years ago

Tom

Yukon Oklahoma

Verified

Replacement for a leaking one that was about 10 years old.

Would Recommend

great quality, I would buy this again

5.0

8 years ago

Stitch

Iowa

Verified

very fast delivery before car show..whew. great product

Would Recommend

Qa1 US Shocks

5.0

8 years ago

Z28 tubbed

Verified

Good shock, easy to adjust and respond with the perfect ride.

Would Recommend

Good quality, fair priced, great tech help

4.0

9 years ago

Coop

Verified

Thank you for the on the phone tech help

Would Recommend

Usable

4.0

9 years ago

jim

Verified

The specs say 4" travel but it is closer to 3 1/2". It is well built and usable.

Would Recommend

Quality product

4.0

10 years ago

Groggy

Tuolumne, CA

Verified

Great product and well packaged

Would Recommend

Day and Night difference !!

5.0

10 years ago

lpcarguy

Cascade, CO

Verified

Replaced Aldan shocks on the back of my Deuce roadster. Amazing difference in the ride!! Will recommend to many friends

Would Recommend

Excellent shock.

5.0

12 years ago

Ford864

South Carolina, USA

Verified

The 18 adjustable rebound settings lets you dial your cars needs in perfectly. My wife could feel the difference the first pump we hit.

Would Recommend

Showing 10 of 10 reviews

Questions & Answers

3 Questions • 3 Answers

Sort Questions

is this one or two for this price

by hippie

• 9 years ago

1 answer

View Answer

Why cant you mount them less than 20 degree's ?

by JIMBO123

• 12 years ago

1 answer

View Answer

what spring I.D. would you use with this coilover kit?

by epas

• 13 years ago

1 answer

View Answer

3 of 3 questions shown