SKU: 53522764459

QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 550lbs/in - Flat Large - Aluminum

Sale price$540.90 Regular price$601.00
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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26

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Description

QA1 GM Pro Front Coil-Over System - Double Adj. - 10in x 550lbs/in - Flat Large - AluminumQA1 now has GM Pro Coil Systems available for your 1963 1965 Buick Riviera. They offer fully adjustable ride height and valving control. Pick your spring rate and adjustability to fit your driving style, adjust the valving to match and you are on your way. They also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Specially designed for QA1's Pro

QA1 now has GM Pro Coil Systems available for your 1963-1965 Buick Riviera. They offer fully adjustable ride height and valving control. Pick your spring rate and adjustability to fit your driving style, adjust the valving to match and you are on your way. They also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling. Specially designed for QA1's Pro Coil Systems, the American-made lightweight high travel springs have fewer coils and a smaller wire diameter, resulting in increased travel due to the larger distance between the coils. They reduce unsprung weight and react faster, optimizing suspension performance. Multiple spring rate options are also available and have been successfully tested in various applications, from casual street driving to hard core race applications. Adjustable Pro Coil System Features: Available in independent compression and rebound double adjustable and simultaneous compression and rebound adjustable, Lightweight Billet Aluminum Coil-Over Shocks, High Travel Springs, Easy, Bolt-In Installation, Ride Height Adjustable, 100% Dyno Tested and Serialized, Serviceable and Rebuildable by QA1 Authorized Service Centers, Made in the USA, Used in drag racing, street performance, autocross, road racing and street rod applications, Sold in Pairs.

  • Achieve the ultimate balance of ride quality and performance handling with independent tuning of rebound and compression valving.
  • Easy bolt-in installation that works with your factory or upgraded QA1 tubular control arms.
  • Up to 2 of ride height adjustment allows you to dial in the perfect stance.
  • Limited Lifetime Warranty for peace of mind.
  • Proudly made in the USA

This Part Fits:

Year Make Model Submodel
1963-1965 Buick Riviera Base
1965 Buick Riviera Gran Sport
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 53522764459

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saadet atay Rosenthal
Omaha, US
★★★★★ 5
Nice fabric and true to size
Color: Black, Size: 3X-Large
True to size and very good material
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Reviewed in the United States on May 8, 2026
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Bryan
Omaha, US
★★★★★ 5
Sharp, Comfortable, and Perfect for Business or Formal Wear
Color: All White, Size: 3X-Large
I recently purchased the DEMEANOR All White men’s dress shirt, and I couldn’t be happier with it. The slim fit design gives a modern, tailored look without feeling restrictive, thanks to the stretch fabric. It’s wrinkle-free, which is a huge time saver — I can wear it straight out of the closet and still look crisp and professional. The material feels soft yet durable, and the long sleeves with button cuffs add a polished touch. I especially appreciate the pocket, which is both practical and stylish. Whether I’m wearing it for business meetings, formal events, or even casual nights out, it always looks sharp. For the price, this shirt is excellent value. It combines comfort, style, and convenience in one, and I’ll definitely be ordering more colors from DEMEANOR.
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Reviewed in the United States on December 15, 2025
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Amazon Customer
Port Orchard, US
★★★★★ 4
Es cómoda
Color: Black, Size: Medium
Todo está bien
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Reviewed in the United States on October 8, 2025
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Courtney S.
Massapequa, US
★★★★★ 5
SOFT, COMFORTABLE, HIGH QUALITY
Color: Black, Size: 3X-Large
This is an AMAZING shirt, the value for the quality is ASTOUNDING. The material is soft, with a slight stretch, and the stitching is well done and high quality. I’m not wearing this for its intended use, but if I was in search of another dress shirt, I’d buy this one again in a HEARTBEAT.
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Reviewed in the United States on August 4, 2025
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Palatino
Louisville, US
★★★★★ 3
Good material, good price, but placket not my style
Color: All White, Size: Medium
Attractively priced, slim-fitted, cotton-spandex blend, seems a good value. I just didn't care for the prominent placket and visibly heavy front stitching, but that's just a matter of personal preference.
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Reviewed in the United States on February 18, 2025

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