QA1 Rear Anti-Hop Bars relocate the upper trailing arms to change the instant center of the rear suspension. This will improve the chassis reaction and increases forward bite and traction. The QA1 Anti-Hop Bars are one of the most effective and easily installed traction improvements. Includes graphite/polyurethane bushings. We strongly recommend adjustable trailing arms for maximum adjustability and performance.
Installation InstructionsThis Part Fits:
| Year |
Make |
Model |
Submodel |
| 1965-1967 |
Buick |
Gran Sport |
Base |
| 1964-1967 |
Buick |
Skylark |
Base |
| 1964-1967 |
Buick |
Special |
Base |
| 1964-1967 |
Buick |
Special |
Deluxe |
| 1964-1967 |
Chevrolet |
Chevelle |
300 |
| 1965-1967 |
Chevrolet |
Chevelle |
300 Deluxe |
| 1967 |
Chevrolet |
Chevelle |
Concours |
| 1967 |
Chevrolet |
Chevelle |
Malibu |
| 1964-1965 |
Chevrolet |
Chevelle |
Malibu Super Sport |
| 1967 |
Chevrolet |
Chevelle |
SS 396 |
| 1966 |
Chevrolet |
Chevelle |
Super Sport 396 |
| 1964-1967 |
Chevrolet |
El Camino |
Base |
| 1970-1972 |
Chevrolet |
Monte Carlo |
Base |
| 1964-1967 |
Oldsmobile |
442 |
Base |
| 1964-1967 |
Oldsmobile |
Cutlass |
Base |
| 1964-1967 |
Oldsmobile |
Cutlass |
Holiday |
| 1967 |
Oldsmobile |
Cutlass |
Turnpike Cruiser |
| 1964-1967 |
Oldsmobile |
Vista Cruiser |
Base |
| 1964-1967 |
Oldsmobile |
Vista Cruiser |
Custom |
| 1969-1972 |
Pontiac |
Grand Prix |
Base |
| 1964-1967 |
Pontiac |
GTO |
Base |
| 1964-1967 |
Pontiac |
LeMans |
Base |
| 1964-1967 |
Pontiac |
Tempest |
Base |
| 1964-1967 |
Pontiac |
Tempest |
Custom |
| 1964-1967 |
Pontiac |
Tempest |
Safari |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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We are committed to providing the best value. If you find a lower advertised price from a verified vendor, we will match it. Shop with confidence knowing you’re getting the industry's lowest price.
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Project Incentives:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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• AH630 — $630 OFF $9000+
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Building something big? If you’re planning a full overhaul or need a custom quote, reach out to our team via our
Contact Page.
Precision Support: Whether you are dialing in a daily driver or sourcing components for a high-performance exotic, our team is here to ensure your project stays on track. Use the channels below for sales, technical assistance, or order updates.
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Direct Consultation:
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For sales inquiries, help applying Project Incentives, or immediate assistance with a new order:
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Monday – Friday | 9am – 5pm EST
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To qualify for our Fitment Guarantee, please email your vehicle’s Year, Make, Model, and any existing modifications to:
support@autohousesupply.com
Our experts will review your specifications and provide written confirmation for your build.
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For tracking updates or status inquiries on existing orders, please reach out via our Contact Form. Having your order number ready will allow us to provide the most efficient update.
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Global Inquiries:
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We proudly support builds across the US, Canada, Mexico, and worldwide. For international shipping quotes or oversized freight logistics, please contact us via the email link above.
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Need an immediate answer? Our
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Flexible Returns:
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
Contact Form before shipping any items back so we can provide you with an RMA number.
Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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Questions? Send us your
Year, Make, and Model via our
Contact Form and we’ll get you a definitive answer so you can buy with confidence.
