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  See more parts for Buick Gran Sport
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QA1 Kit GM Pro Coil Alum S-Adj 11-250 Tapered Pigtail - GS501-11250A

QA1 GS501-11250A Pro Coil System

If you're on the lookout for a suspension upgrade that offers exceptional adjustability and performance, the QA1 GS501-11250A Pro Coil System is a fantastic choice. Designed for those who appreciate precise control over their ride, this system allows you to tailor your suspension to match your driving style perfectly.

Key Features

  • Adjustable Ride Height: The fully threaded body lets you easily set your ride height for that perfect stance or to fine-tune weight distribution for enhanced handling.
  • Customizable Valving: Choose from independent compression and rebound double adjustable options, simultaneous compression and rebound adjustable, or the drag "R" Series adjustable for tailored performance.
  • Lightweight Design: Constructed from lightweight billet aluminum, these coil-over shocks reduce unsprung weight and improve responsiveness.
  • High Travel Springs: The specially designed American-made springs feature fewer coils and a smaller wire diameter, allowing for increased travel and a more dynamic suspension response.
  • Easy Installation: Enjoy a straightforward bolt-in installation process, making upgrades hassle-free.
  • 100% Dyno Tested: Each unit is serialized and dyno tested to ensure top-notch performance and reliability.
  • Rebuildable: Serviceable by QA1 Authorized Service Centers, ensuring longevity and consistent performance.

Specifications

  • Compressed Length: 10.13 inches
  • Extended Length: 17 inches
  • Spring Rating: 250 with an 11-inch length and tapered pigtail end
  • Applications: Suitable for drag racing, street performance, autocross, road racing, and street rod applications.
  • Sold in Pairs: Each purchase includes a pair of shocks for balanced performance.

Fitment

The GS501-11250A Pro Coil System is designed to fit a variety of GM applications, providing a versatile solution for performance enthusiasts. Whether you're hitting the streets or the track, this system delivers the adaptability you need.

Customer Insights

Users of the QA1 GS501-11250A have praised its easy installation and significant improvement in handling. Many have noted that the adjustable features allow them to fine-tune their vehicle's performance to suit different driving conditions, making it a popular choice among both casual drivers and serious racers. The lightweight design has been highlighted as a major benefit, contributing to quicker response times and better overall vehicle dynamics.

Other Part Numbers:
QA1 #qapGS501-11250A

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
1965-1967
 Buick Gran Sport
1964-1967
 Buick Skylark
1964-1967
 Buick Special
1956-1957
 Chevrolet Bel Air
1964-1967
 Chevrolet Chevelle
1964-1967
 Chevrolet El Camino
1964-1967
 Chevrolet Malibu
1955-1957
 Chevrolet Nomad
1955-1957
 Chevrolet Truck
1955-1957
 Chevrolet Two-Ten Series
1964-1967
 Oldsmobile 442
1964-1967
 Oldsmobile Cutlass
1966-1967
 Oldsmobile Vista Cruiser
1964-1967
 Pontiac GTO
1964-1967
 Pontiac Tempest

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Who is QA1?

QA1 is a company that was founded in 1993. They specialize in manufacturing high-quality suspension parts, shock absorbers, composite driveshafts, bearings, steering components, and other related accessories. Their products are used in different industries such as the industrial, motorsports, and automotive sectors. Today, they are the leading manufacturer of OE parts in the market.

Suspension Experts

The company is best known for its motion control sub-assemblies and wide range of suspension systems. They are always searching for new ways to develop each component to enhance their products further. 

State-of-the-Art Facility

The company is housed in one of the most sophisticated facilities in the market to accommodate the increasing demands of its customers. With 100,000 square feet at their disposal, their facility contains high-tech equipment such as a CNC machine, laser cutting equipment, hydraulic presses, and filament windings. It allows them to manufacture the best product in the market.

QA1 is also one of the few companies that are ISO certified. It guarantees that their parts are manufactured consistently, following the standards put in place by the company and the regulators.

Purchase QA1 Products At Vivid Racing

If you are in the market for quality suspension parts for your vehicle, then QA1 is the brand for you. They have been manufacturing components for the last 28 years and have consistently given their customers parts that meet their demand. To know more about QA1, visit Vivid Racing and check out their list of parts that meet your demand.



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