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QA1 part number GS401-10400C is a GM Pro front coil-over system with single adjustable damping, paired with a 10in x 400lbs/in flat large spring, in an aluminum shock body.
This is a chassis system sized by mounting configuration, spring rate, and travel rather than a specific vehicle beyond the stated GM Pro front application; confirm mounting dimensions against the chassis before ordering.
| Years | Make | Model | Notes |
|---|---|---|---|
| n.a. | n.a. | n.a. | Universal chassis hardware component. |
Universal; confirm mounting dimensions against the application before ordering.
| Detail | Value |
|---|---|
| Brand | QA1 |
| Application | GM Pro front |
| Adjustability | Single Adj. |
| Spring size | 10in x 400lbs/in, flat large |
| Shock body material | Aluminum |
QA1 manufactures suspension and chassis hardware to defined dimensional specifications, letting builders match components by size and thread rather than by a single vehicle-specific part number.
400lbs/in, in a 10in x flat large configuration.
Is the damping adjustable?Yes, single adjustable.
What shock body material is used?Aluminum.
What application is this coil-over system designed for?GM Pro front mounting.
Is the spring rate fixed once installed?QA1 offers different spring rates separately; verify if a different rate is needed for the application.
Does this system include mounting hardware?Confirm QA1's exact packing list for this part number; verify mounting hardware separately if not included.
Can the spring be swapped for a different rate later?Yes, QA1 offers additional coilover springs separately sized to fit this shock body; confirm compatible spring dimensions before swapping.
Is this system vehicle-specific?It is designed for GM Pro front mounting configurations; confirm the chassis uses a compatible mount before ordering.
QA1 does not publish a vehicle-specific torque value for this system; use the chassis or kit manufacturer's mounting specification.
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