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Build a properly matched suspension or steering setup with this QA1 coilovers. Manufacturer part number HK21-GMX2 is offered in the listed 68-74 GM X-Body Level 1 Handling Kit 2.0 w/ Shocks configuration, so vehicle application, mounting position, dimensions, spring rate, adjustment range, and all notes must be confirmed before ordering.
Key Features
- Spring Rates: Front 400 lb/in and rear 300 lb/in coils provide firm control and smooth ride tailored to stock height vehicles with small block or LS engines.
- Bolt-in Installation: Direct fit design bolts to OE mounting points with no welding or fabrication needed for straightforward setup on 68-74 X-Bodies.
- Adjustable Shocks: QA1 double-adjustable front and rear shocks allow 24-position tuning for rebound and compression to match driving conditions.
- Sway Bars: 1-1/8 inch front and 7/8 inch rear bars reduce body roll for sharper turn-in and stability during aggressive cornering.
- Designed for average weight vehicles around 3200-3400 lbs in stock trim with power levels up to 500 hp.
- Kit maintains OE ride height for easy alignment and tire clearance.
Fitment
| Years | Make | Model | Submodel or Application |
|---|---|---|---|
| 1973-1974 | Buick | Apollo | All listed configurations unless otherwise noted |
| 1968 | Chevrolet | Chevy II | Nova |
| 1969-1974 | Chevrolet | Nova | All listed configurations unless otherwise noted |
| 1973-1974 | Chevrolet | Nova | Custom |
| 1973-1974 | Oldsmobile | Omega | All listed configurations unless otherwise noted |
| 1971-1974 | Pontiac | Ventura | All listed configurations unless otherwise noted |
| 1973-1974 | Pontiac | Ventura | Custom |
| 1974 | Pontiac | Ventura | GTO |
Confirm chassis configuration, suspension position, drivetrain clearance, brake package, wheel and tire clearance, and every current QA1 application note.
Specifications
| Brand | QA1 |
|---|---|
| Manufacturer Part Number | HK21-GMX2 |
| Product Type | Coilovers |
| Listed Configuration | 68-74 GM X-Body Level 1 Handling Kit 2.0 w/ Shocks |
| Compatibility Basis | Vehicle Specific |
| Condition | New |
What's Included
One new QA1 coilovers identified by manufacturer part number HK21-GMX2, with only the components and hardware supplied by QA1 for that exact part number.
About QA1
QA1 develops suspension, steering, driveline, rod-end, bearing, spring, and chassis components for street, performance, racing, restoration, and custom vehicle applications.
Related QA1 Products
- Shop all QA1 products
- QA1 68-72 GM A-Body Level 1 Handling Kit 2.0 w/ Shocks
- QA1 68-72 GM A-Body Level 2 Handling Kit 2.0 w/ Shocks
- QA1 94-96 GM B-Body Level 1 Handling Kit 2.0 w/ Shocks
Frequently Asked Questions
Will QA1 HK21-GMX2 fit my 1973-1974 Buick Apollo?
Match the complete fitment row, then verify mounting position, suspension configuration, drivetrain clearance, brake package, wheel and tire clearance, and every current QA1 note.
What measurements matter when ordering QA1 HK21-GMX2?
Verify the dimensions and interfaces named in this listing, including thread size and direction, extended and compressed length, bore, spring dimensions or rate, mounting style, and available clearance as applicable.
Does QA1 HK21-GMX2 require setup after installation?
Suspension and steering work commonly requires torque verification, clearance and travel checks, ride-height or damping setup when adjustable, and a professional alignment before road use.
Installation
Follow the current QA1 instructions for this exact part number. Support the vehicle safely, compare every component before disassembly, use the specified hardware and torque values, verify thread engagement and mounting orientation, cycle the suspension through its operating range, check brake and wheel clearance, and complete an alignment when the installation changes suspension or steering geometry.
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