Skip to content
Advanced shock absorber with independent adjustment for performance tuning.
The QA1 Proma Star Coil Over Shock Absorber is engineered for high-performance applications, offering independent compression and rebound valve adjustment. With a total of 324 valving options, this shock absorber allows for precise tuning with 18 positions for both compression and rebound settings. This feature ensures that users can achieve the desired balance between comfort and performance, making it suitable for various driving conditions including drag racing and autocross.
Constructed from lightweight aluminum, the shock body is designed for durability and efficiency. The precision machined aluminum piston, combined with a three-step sealing system, enhances the shock's performance and longevity. The adjustable ride height feature allows for customization based on vehicle requirements, while the included mounting hardware simplifies installation.
The QA1 Proma Star is 100 percent dyno tested and serialized, ensuring reliability and performance consistency. Its robust design includes a hard chrome plated piston rod and a P.T.F.E. piston band, contributing to smooth operation and reduced friction. This shock absorber is rebuildable and revalveable, providing a sustainable option for performance enthusiasts looking to maintain their suspension system.
Features
- Ride Height Adjustable
- 100 Percent Dyno Tested And Serialized
- Rebuildable And Revalveable
- Lightweight Aluminum, Precision Machined Aluminum Piston With P.T.F.E. Piston Band
- 5/8 Inch Centerless Ground, Hard Chrome Plated, Solid Piston Rod
- Three Step Sealing System, Independent Compression And Rebound Adjustment
- Spring Mounting Hardware Included, Used In Drag Racing, Street Performance, Autocross And Road Racing Applications
Specifications
- Manufacturer: QA1
- Manufacturer Part Number: DD303
- Adjustable: Yes
- Upper Mounting Type: Eyelet
- Lower Mounting type: Eyelet
- Extended Height (IN): 12-5/8 Inch
- Compressed Height (IN): 9-1/2 Inch
- Quantity: Single
- Valving Type: Independent Compression And Rebound Valving
- Shock Body Color: Silver
- Shock Body Material: Aluminum
- Spring Height (IN): 7 Inch
- Spring Rate: No Spring
- Spring Style: No Spring
- Spring Finish: No Spring
- Spring Color: No Spring
- Spring Material: No Spring
- Includes Mounting Hardware: Yes
Technical Documents
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
