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Inspected & Documented
Condition notes recorded before palletizing.
30-Day Startup Warranty
Covers block, heads and internal moving components.
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Auto Parts & Accessories
QA1 DM501-12110 Pro-Rear System MOD Series, 110Lb, 3 Inch
$1,380.28
+ $185.00 flat-rate insured LTL freight
(details)
$1,565.28 delivered to the continental US
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
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Details & Inspection Notes
Product Summary
Universal Fit, Rear Coil Springs Included, Gas Charged
- Upgrade your rear end with QA1’s Pro-Rear System
- Available in the MOD series, double adjustable, single adjustable and ride sensitive valving non-adjustable options,each adjustment has been carefully defined to provide the ideal horse curve to maximize performance
- With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks
- These Pro-Rear Systems are commonly used in drag racing, street performance and street rod applications
- Lightweight Aluminum
Details
- Upgrade your rear end with QA1’s Pro-Rear System
- Available in the MOD series, double adjustable, single adjustable and ride sensitive valving non-adjustable options,each adjustment has been carefully defined to provide the ideal horse curve to maximize performance
- With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks
- These Pro-Rear Systems are commonly used in drag racing, street performance and street rod applications
- Lightweight Aluminum
- Ride Height Adjustable
- Spring Mounting Hardware Included
- 100% Dyno Tested and Serialized
- Revalveable and Rebuildable by the QA1 Factory or QA1 Authorized Service Centers
- Precision Machined Aluminum Piston with PTFE Piston Band
- 5/8″ Centerless Ground
- Hard Chrome Plated
- Solid Piston Rod
- Three Step Sealing System
- Made in the USA
- Kit includes:, (2) Proma Star Shocks or Aluma Matic Shocks, (2) Linear or Variable Rate Springs, All Mounting Hardware.
KEY SPECS | |
|---|---|
| MFG. Part # | DM501-12110 |
| Brand | QA1 |
| Suspension Height Adjustment | 0.0-1.5 Inch Lowered |
| Rear Coil Springs Included | Yes |
| Spring Rate | 110 lbs. |
| Bushing Material | Spherical bearing |
| Hardware Included | Yes |
| Crossmember Included | No |
| Welding Required | Yes |
GENERAL | |
| Shock Body Material | Aluminum |
| Compressed Length | 11.5″ |
| Extended Length | 16.88″ |
| Finish | Silver powdercoated |
| Sold in Quantity | Kit |
| Notes | For use with 3.000 diameter axles. Coilover shocks are double adjustable Mod Series shocks. Springs are 12 linear rate 12HT110 springs. Includes a 1.625 O.D. x 0.095 wall x 40.000 long weld-in tube. |
| GTIN Code | 806990159472 |
| Bushing Color | Natural |
| Adjustable Mounting Bracket Included | Yes |
| Adjustable Valving | Yes |
| Gas Charged | Yes |
| Lower Mount | Bearing |
| Number of Valving Selections | 576 |
| Recommended Rear End Weight | 1,050-1,300 lbs. |
| Upper Mount | Bearing |
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns
