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Qa1

QA1 Pro Rear Weld-In Coil-Over System - RideSensitive - 12in x 175/350lbs/in - 3in Tube - Aluminum

SKU: QAPALN4000K

Coilover Kits

QAP Coil-Overs - Weld-In...

Qa1

QA1 Pro Rear Weld-In Coil-Over System - RideSensitive - 12in x 175/350lbs/in - 3in Tube - Aluminum

SKU: QAPALN4000K

Coilover Kits

QAP Coil-Overs - Weld-In...

A$1,911.25
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Here's an easy way to convert your stock rear suspension to a coilover suspension. You get everything you need with these QA1 Rear Pro coilover systems, from shocks to nuts and bolts, complete installation instructions, and even decals!

Product Overview

QA1's Aluma Matic non-adjustable shock gives you the best ride in rodding without having to worry about valving options. Lightweight Aluminum Body, Non-Adjustable, Coil-Over, 100% Dyno Test and Serialized, Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers, American Made, Precision Machined Aluminum Piston with PTFE Piston Band, 15mm Centerless Ground, Hard Chrome Plated, Solid Piston Rod, Three Step Sealing System.


Features and Benefits

  • Excellent DIY solution for drag, street performance & street rodders alike
  • Available with MOD Series, double, single or non-adjustable valving options
  • All mounting hardware included
  • Made in the USA

Product Details

Brand:QA1
Description:QA1 Pro Rear Weld-In Coil-Over System - RideSensitive - 12in x 175/350lbs/in - 3in Tube - Aluminum
Manufacturer Part Number:ALN4000K
Part Number:qapALN4000K
Prop 65 - Short Label:WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov
Prop 65 Yes/No:Yes
Title:QA1 Shock Absorber and Coil Spring Assembly ALN4000K
UPC:806990000811

Part Type

Coilover Adjustable Spring Lowering Kit

Data: v4.2 - Upd: 2026-10-15 15:15:48

Features

  • All mounting hardware included
  • Available with MOD Series, double, single or non-adjustable valving options
  • Excellent DIY solution for drag, street performance & street rodders alike
  • Made in the USA

Specifications

Product Attributes - Brand
QA1
Product Attributes - Manufacturer's Part Number
ALN4000K
Product Attributes - Part Type
Coilover Kits
Product Attributes - Product Line
QA1 Rear Pro Coilover Conversion Systems
Product Attributes - UPC
806990000811
Product Attributes - Coilover Kit Position
Rear
Product Attributes - Adjustable Valving
No
Product Attributes - Shocks Included
Yes
Product Attributes - Internal Design
Twin-tube
Product Attributes - Coilover Springs Included
Yes
Product Attributes - Spring Rate (lbs./in.)
175-350 lbs./in.
Product Attributes - Suspension Height Adjustment
0.0-1.5 in. lowered
Product Attributes - Recommended Rear-End Weight
1,551-1,850 lbs.
Product Attributes - Gas Charged
No
Product Attributes - Extended Length (in.)
16.38
Product Attributes - Collapsed Length (in.)
11.13
Product Attributes - Upper Mount
Eyelet
Product Attributes - Lower Mount
Eyelet
Product Attributes - Body Diameter (in.)
2.000
Product Attributes - Shock Body Material
Aluminum
Product Attributes - Shock Body Finish
Silver
Product Attributes - Bushing Material
Polyurethane
Product Attributes - Bushing Color
Black
Product Attributes - Spring Finish
Gray/Silver
Product Attributes - Crossmember Included
No
Product Attributes - Adjustable Mounting Bracket Included
Yes
Product Attributes - Hardware Included
Yes
Product Attributes - Welding Required
Yes
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
For use with 3.000 in. diameter axles. Coilover shocks are non-adjustable Aluma Matic ALN5855P shocks. Springs are 12 in. variable rate 12HT175/350 springs. Includes a 1.625 in. O.D. x 0.095 in. wall x 40.000 in. long weld-in tube.

Reference Information

Brand Name/s Qa1
StreetFX SKU qapALN4000K
SFX Item ID 4092879
Supplier Item Code 4092879
Manufacturer SKU ALN4000K
Manufacturer UPC 806990000811
Alternative References qa1, QA1-ALN4000K, 12in, 175/350lbs/in, 3in

Brochures

Compatibility

Application Data
  • UniversalYes

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