Rear Coilover Kit

Get the perfect look by easily adjusting your ride height on your Monte Carlo or Cutlass. These rear coil-overs allow ride height adjustment up to 1" higher to 3" lower than stock. Dialing in the perfect stance on your G-body can be done in minutes. Single adjustable shocks allow you to simultaneously adjust shock valving to firm up or soften the ride. With registration, your shocks can be backed with a best-in-class Limited Lifetime Warranty.

Additional Information

QA1 78-88 GM G-Body Big Wheel Rear Coilover Kit with single adjustable Proma Star shocks and 12", 200 lb. springs

Part Type

Coilover Set

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	qapBW01-GMG1	QA1 78-88 GM G-Body Level 1 Big Wheel Kit (1x qap5247, 1x qap5250, 1x qap5285, 2x qap7888-109, 1x qapGS507-10450C, 2x qapT115W, 1x qapRCK52366, 1x qap5234)

• Achieve 1/2 higher than stock down to 2.25" lower than stock.
• Limited Lifetime Warranty for peace of mind.
• Proudly made in the USA.
• Sold as a pair.
• Ultimate balance of ride quality and performance handling with adjustable rebound and compression valving.

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Coilover Kits, Rear Pro Coilover Conversion Systems, Adjustable, Twin-tube Shocks, Eyelet Mounts, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

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!