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#7214855
QA1 US402 Adjustable Shock and Coilover Kit w/o Spring, 12 Inch
- 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
$229.95
/each
In Stock
$254.75
Save $24.80
Garage Sale alternatives: from $178.49
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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
Key Specs
| Position | Rear |
| Mounted Length | 12" |
| Shock Adjustability | Single Adjustable |
| Shock Type | Mono Tube |
| Shock Body Material | Aluminum |
Need To Know
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Return PolicyQA1 US402 Details
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
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
Warranty Information
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Warranty Information
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QA1 US402 Specifications
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
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".
Ratings & Reviews
4.7
10 Reviews
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".
4.7
10 reviews
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Filter by Ratings
Nice ride
5.0
a year ago
schurm
Nebraska
Verified
Ride is great
Would Recommend
i would buy this again
5.0
3 years ago
no body
pa
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
7 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
HI
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
WI
Verified
Thank you for the on the phone tech help
Would Recommend
Usable
4.0
9 years ago
jim
in
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
9 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
11 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
Questions & Answers
3 Questions • 3 Answers
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