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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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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For Your Every Summer RSVP, with Code: SUMMER15

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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Nancy Kemmerer
Chelsea, US
★★★★★ 5
True to size, nice material and price
Color: Light Green-flower, Size: X-Large
Nice shirt for our cruise! Nice fit, nice material! Will be getting a few more for going out to eat this summer.
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Reviewed in the United States on March 22, 2026
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MPD 10
Birmingham, US
★★★★★ 4
Small 3x’s
These shirts are great, but the sizes are just a little bit smaller than what they need be that is my only complaint about them
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Reviewed in the United States on October 3, 2025
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TJ Top
Louisville, US
★★★★★ 5
Wrinkle Free!
Color: Navy Blue Square, Size: X-Large
Love this shirt. Comfortable, looks great and best of all, it doesn’t require any ironing!
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Reviewed in the United States on April 18, 2026
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Lee Dowell
Boise, US
★★★★★ 5
Quality
Love the fit, color, and softness. Looks sharp on my husband. Going to buy more colors
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Reviewed in the United States on September 13, 2025
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Amazon Customer
Lake Worth, US
★★★★★ 5
Great shirt!
Color: Light Green-flower, Size: 3X-Large
Good quality shirt!
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Reviewed in the United States on April 17, 2026

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