QA1 Proma Star Series Coil-Over Shock Absorber - Double Adj. - Bearing Mount - 15in/23.625in - Alum

Proma Star double adjustable custom mount coil-over shock. Compressed height of 15", extended height of 23-5/8". Bearing top and bearing bottom. QA1?s Proma Star Coil-Overs help you gain the benefits of coil-over shocks on a huge range of vehicles. Building a custom chassis or suspension components? Can?t find direct-fit options for your vehicle? These are for you. Available with 3" to 9" of stroke and single- or double-adjustable valving, QA1 shocks instantly upgrade ride quality and performance. The shock and included hardware kit provide quick and easy ride height adjustability to get the perfect stance. Just add a 2.5" spring of the appropriate length and spring rate to get rolling. Choose from single- or double-adjustable valving to dial in ride comfort and performance. Single-adjustable shocks work great for street cars, softening or stiffening the overall ride with one knob. , , Double-adjustable shocks are ideal for cars that see consistent track time or drivers who want to fine tune their ride quality. Independent compression and rebound tuning make this shock equally at home on the street, drag strip and road course. Choose from multiple mounting configurations. The poly bushing option includes ?" and 5/8" sleeves, while helping to reduce NVH. Bearing mount shocks minimize deflection and work well if your mounts require misalignment. Other mounting styles are available (sold separately) for T-Bar and stud-mount applications. Extended eyelets can also be used. All QA1 Proma Star shocks are made in the USA and dyno tested to ensure performance and quality. They are eligible for an industry-leading Limited Lifetime Warranty. Register shocks at QA1.net/warranty before installation. Fitment Notes, , Ensure your shock will have an adequate amount of travel to avoid overextending or bottoming out the shock, , Available spanner wrenches and thrust bearings increase ease of ride height adjustment, , If using a stock spring pocket, ensure you can achieve your desired ride height while incorporating enough shock travel

• Achieve the ultimate performance handling with independent tuning of rebound and compression.
• Multiple bushing or bearing configurations available to fit your needs.
• Easily adjust your ride height for the perfect stance.
• Limited Lifetime Warranty for peace of mind.
• Proudly made in the USA.

The QA1 Proma Star Series QAPDD901 double-adjustable coil-over shock absorber is designed for custom chassis and suspension applications where precise ride control and flexible installation are essential. With bearing mounts at both ends, this shock minimizes deflection and supports accurate suspension movement. Its compressed height is 15 inches and extended height is 23 5/8 inches, providing a broad range of usable travel when properly matched to the vehicle and suspension geometry.
Independent compression and rebound adjustments allow you to fine-tune ride quality, handling balance, and performance for street driving, drag racing, or road-course use. The included hardware kit provides convenient ride-height adjustment, while the coil-over design accepts a 2.5-inch spring in the appropriate length and rate. QA1 Proma Star shocks are available in multiple mounting configurations, making them a practical choice for custom-built vehicles, modified suspensions, and applications without direct-fit shock options.
The QA1 QAPDD901 is manufactured in the USA and dyno tested to verify performance and consistency. Its bearing-mount design is well suited to suspension systems that require misalignment capability, while available accessories such as spanner wrenches and thrust bearings can simplify ride-height adjustments. Before installation, confirm that the suspension provides adequate shock travel to prevent overextension or bottoming. If using a stock spring pocket, verify that the desired ride height can be achieved while maintaining sufficient travel. This shock is backed by QA1's Limited Lifetime Warranty when registered according to the manufacturer's requirements.

Features:

• Independent compression and rebound adjustment for precise suspension tuning

• Bearing mount at both ends to minimize deflection and accommodate misalignment

• Coil-over design supports adjustable ride height and custom suspension setups

• 15-inch compressed height and 23 5/8-inch extended height

• Designed for use with a 2.5-inch coil spring of the correct length and spring rate

• Dyno tested and proudly made in the USA

• Backed by QA1's Limited Lifetime Warranty