-9%
-QA1 Proma Star Series Coil-Over Shock Absorber - Double Adj. - Bearing Mount - 15in/23.625in - Alum-Shocks and Struts-QA1
Photo - Primary
Photo - Primary
Photo - Primary
Photo - Primary
Logo Image
Click to zoom in

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

QA1
QAPDD901
806990059925
Shocks and Struts
2 Units In Stock - Ships Next Business Day
$ 371.08 $ 334.95
$ 334.95

SKU: DD901 | UPC: 806990059925

QA1 Proma Star Series Coil-Over Shock Absorber - Double Adjustable - Bearing Mount - 15in/23.625in - Aluminum Body - Universal Fit

QA1 DD901 Proma Star Series coil-over shock absorber delivers double adjustable valving for precise compression and rebound control. Designed for custom chassis, suspension builds, or vehicles without direct-fit options, it offers 15-inch compressed height and 23.625-inch extended height with 8.625-inch stroke. This aluminum body shock upgrades ride quality and handling for street, drag, or track applications when paired with a 2.5-inch spring.

Key Features

  • Double Adjustable Valving: Independent compression and rebound tuning allows fine adjustments for street comfort or track performance on drag strips and road courses.
  • Ride Height Adjustability: Includes hardware kit for quick changes to achieve desired stance, with optional spanner wrenches and thrust bearings for ease.
  • Bearing Mounts: Top and bottom bearing mounts reduce deflection and support misalignment in custom applications.
  • Aluminum Body Construction: Lightweight 2-inch diameter aluminum body ensures durability and dyno-tested performance.
  • Made in USA: Backed by Limited Lifetime Warranty when registered at QA1.net/warranty prior to installation.

Product Notes

  • Verify adequate shock travel to prevent overextension or bottoming out during suspension travel.
  • Pair with 2.5-inch diameter spring of appropriate length and rate for complete assembly.
  • Box dimensions approximately 25in x 7in x 7in for shipping.

Installation Notes

  • Professional installation recommended.
  • Requires 2.5-inch coil spring. select length and rate based on vehicle weight and setup.
  • Bearing mounts compatible with eyelet-style applications. poly bushing or other styles available separately.

This Part Fits

Year Make Model Submodel
Universal All Custom Chassis/Suspension All Performance Builds

Why Choose QA1?

  • Over 30 years leading in performance shocks and suspension for racing and street applications.
  • All products manufactured in 83,000 sq ft facility in Lakeville, MN for consistent quality.
  • Extensive lineup includes carbon fiber driveshafts, rod ends, and ball joints for complete builds.

Frequently Asked Questions

  • Q: Is this shock compatible with my specific vehicle?
    A: DD901 fits custom chassis, bracket cars, or any setup needing 15-23.625in travel. confirm dimensions match your suspension geometry.
  • Q: What material is the body made from?
    A: Features a lightweight 2-inch aluminum body for strength and reduced weight in performance applications.
  • Q: How do I activate the warranty?
    A: Register online at QA1.net/warranty before installation to qualify for Limited Lifetime Warranty coverage.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Securely boxed at 25in L x 7in W x 7in H
  • Weight: 9 lbs

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
QA1

QA1

Shop All QA1 Coilovers, Shocks, Springs, Handling Kits & Suspension Components Browse premium QA1 suspension parts and performance components at Black Ops Auto Works, including coilover kits, shock absorbers, lowering kits, handling kits, suspension conversion systems, four-link systems, springs, struts, rod ends, linkage rods, tube adapters, and suspension hardware for muscle cars, trucks, street builds, drag cars, and pro-touring applications. QA1 is one of the most recognized names in the suspension category, known for engineering products that improve ride quality, adjustability, handling, weight transfer, and overall vehicle control. Why Choose QA1 Suspension Products QA1 products are built for enthusiasts looking to improve suspension performance on classic, street, strip, and performance truck platforms. Popular reasons customers choose QA1 include: Adjustable suspension tuning for street and track use Improved handling, ride control, and weight transfer Vehicle-specific...

View QA1 Products
Shocks and Struts

Shocks and Struts

Shop shocks and struts at Black Ops Auto Works for improved ride control, handling, stability, comfort, towing support, off-road performance, and suspension replacement. This collection includes shock absorbers, monotube shocks, gas shocks, hydraulic shocks, strut assemblies, front struts, rear shocks, coil-over shocks, reservoir shocks, steering dampers, suspension hardware, and vehicle-specific dampers for cars, trucks, SUVs, Jeeps, off-road builds, and performance vehicles. Use this Shocks and Struts collection to find the right suspension upgrade by vehicle, ride height, driving style, and product type. Replacement shocks and struts help restore ride quality, performance shocks improve control and stability, heavy-duty truck shocks support larger vehicles and lifted setups, and off-road shocks help improve durability and control on rough terrain. Shop Shocks and Struts by Brand Black Ops Auto Works carries shocks, struts, and suspension dampers from trusted brands including Bils...

View Shocks and Struts Products
Suspension

Suspension

Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...

View Suspension Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×