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SKU: DS501 | UPC: 806990059796
QA1 Proma Star Series Coil-Over Shock Absorber - Single Adj. - Bearing Mount - 11.625in/16.875in
QA1 DS501 Proma Star Series coil-over shock delivers single adjustable damping for custom chassis and suspension builds where direct-fit options do not exist. This bearing mount shock offers 11.625-inch compressed height, 16.875-inch extended height and 5.25-inch travel to suit street performance, drag racing and circle track applications. Dial in ride quality with one knob while achieving precise ride height adjustments using included hardware and your choice of 2.5-inch coil spring.
Key Features
- Single Adjustable Valving: Tune compression and rebound together with one knob for street cars needing softer or firmer overall damping without complex adjustments.
- Bearing Mounts: Top and bottom bearing eyelets minimize deflection and allow misalignment in custom mounts for smoother operation.
- Ride Height Adjustability: Threaded spring perch and shock body with included hardware enable quick changes for the ideal stance on any build.
- Made in USA: Dyno tested at QA1's Lakeville, MN facility to ensure consistent performance and quality.
- Limited Lifetime Warranty: Register at QA1.net/warranty prior to installation for long-term reliability.
Product Notes
- Verify shock travel prevents overextension or bottoming out in your application.
- Spanner wrenches and thrust bearings available separately to simplify ride height adjustments.
- Standard shipping box measures 18in x 6in x 6in with product weight of 7.3 lbs.
Installation Notes
- Professional installation recommended.
- Pair with 2.5-inch diameter coil spring of appropriate rate and length.
- Bearing mounts accept 1/2-inch or 5/8-inch bolts. poly bushing sleeves included to reduce noise, vibration and harshness.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | All | Custom Chassis/Suspension | Street/Drag/Circle Track |
Why Choose QA1?
- Over 30 years leading in performance shocks, rod ends and suspension for motorsports.
- 83,000 sq ft manufacturing in Lakeville, MN produces dyno-tested components.
- Engineered for drag racing, street rodding and track use with custom linkage options.
Frequently Asked Questions
-
Q: What vehicles does the DS501 fit?
A: Designed for custom chassis, suspension components or vehicles lacking direct-fit shocks. confirm compressed/extended lengths suit your setup. -
Q: What materials are used in construction?
A: Steel shock body with aluminum spring seat, zinc plating and bearing mounts for durability in performance applications. -
Q: How do I activate the warranty?
A: Register online at QA1.net/warranty before installation to qualify for the Limited Lifetime Warranty.
Shipping & Handling
- Method: Ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Protective box 18in x 6in x 6in
- Weight: 7.3 lbs
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