Each kit includes front coilover shocks and springs, tubular control arms, and all necessary hardware and bracketry for a bolt-on installation. (*Select different Coilover Conversion Kit “Levels” include additional items like Sway Bars, Rear Coilovers and more).
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Coilover Conversion Kit – Level 2 – Pontiac Grand Prix 1978-1987 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product page
Coilover Conversion Kit – Level 2 – GMC Caballero 1978-1988 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product page
Coilover Conversion Kit – Level 2 – Oldsmobile Cutlass 1978-1988 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product page
Coilover Conversion Kit – Level 2 – Oldsmobile 442 1978-1988 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product page
Coilover Conversion Kit – Level 2 – Chevrolet Monte Carlo 1978-1988 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product page
Coilover Conversion Kit – Level 2 – Buick Regal 1978-1988 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product page
Coilover Conversion Kit – Level 2 – Buick Grand National 1978-1987 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product page
Coilover Conversion Kit – Level 2 – Chevrolet El Camino 1978-1988 Front & Rear – SPC
$3,949.99 – $4,289.99 This product has multiple variants. The options may be chosen on the product pageCoilover Conversion Kits for Handling, Performance, and Drivability
Upgrade your vehicle’s suspension with Aldan American’s premium coilover conversion kits – A true bolt-on solution designed for muscle cars, trucks and more. Made in the U.S.A. Coilover Conversion kits include coilovers, control arms and everything you’ll need to convert your suspension to coilovers.
With no cutting or welding required, all of our vehicle-specific and universal coilover kits include everything you need: front coilover shocks and springs, front tubular control arms, and select variations include sway bars, rear coilovers, and chassis-specific brackets.
No matter what you drive, these kits give you the control to set up your suspension just the way you want it.
Engineered for American Muscle Cars, Trucks and Late Models
Aldan American’s coilover conversion kits are built to enhance your ride’s handling, stance, and performance. Designed with over 40 years of suspension expertise, every coilover shock is precision-engineered and available in multiple configurations:
- Non-Adjustable: Factory pre-set for simple, consistent performance.
- Single-Adjustable: Fine-tune rebound settings for better handling and comfort.
- Double-Adjustable: Independently control both rebound and compression shock settings for complete suspension control.
For ultimate versatility, based on the application, coilovers in these kits include polyurethane bushings for a smoother ride or spherical bearings for sharper, more precise handling. Whether you’re restoring a classic or upgrading your suspension, our front coilover conversion kits and rear options will give you the perfect suspension setup.
Durable, Lightweight, and Built for Performance
Our high-strength 6061-T6 billet aluminum is the backbone to every coilover part we make. This aerospace-grade material provides several key benefits:
- Lightweight Construction: Reduces unsprung weight for improved handling.
- Superior Heat Dissipation: Aluminum sheds heat more effectively than steel, ensuring consistent performance.
- Long-Lasting Durability: Resistant to corrosion and built for a lifetime of use.
Each coilover shock is fully serviceable and rebuildable, backed by our Limited Lifetime Warranty and Aldan American’s 100% Satisfaction Guarantee. Paired with precision-wound springs and chassis-specific brackets, these kits deliver the reliability you need on or off road.
Bolt-On Installation Made Easy
Installing a coilover conversion kit should be straightforward and hassle-free – which is exactly what you’ll get with our kits. Designed to bolt directly into your vehicle’s factory mounting points, we’ve eliminated the need for cutting, welding, or extensive modifications.
With basic tools, you can transform your suspension in just a few hours, gaining improved handling, better stance, and enhanced ride quality.
Our kits include everything required for a complete conversion:
- Front Coilover Shocks and Springs
- Rear Coilovers (Based on Coilover Conversion Kit Level Selected)
- Upgraded Tubular Control Arms
- Sway Bars (Based on Coilover Conversion Kit Level Selected)
- Chassis-Specific Brackets and Hardware
All you need is a few tools and a little time in the garage to completely transform the way your vehicle handles. Want better handling? Done. Better ride comfort? That’s covered too.
Why American Gearheads Choose Aldan American
For over 40 years, Aldan American has been a trusted name in performance suspension. Every Aldan American coilover conversion kit is proudly made right here in the U.S.A. with a focus on craftsmanship, innovation, and long-lasting performance. Here’s why our coilovers are the go-to choice for car enthusiasts nationwide:
- Made in America: Thousands of High-Quality Suspension Parts Made Here in the U.S.A.
- Lifetime Warranty: 30 Day Money Back Guarantee, Lifetime Manufacturer’s Warranty + 100% Satisfaction Guarantee on all Aldan American Products
- Bolt-On Designs: OEM Like Fitment for easy installation in a
matter of hours on all kits. - Versatility: Multiple kit options and variations available for every driving style or vehicle use.
When you choose Aldan American, you’re not only upgrading your suspension – you’re investing in proven performance for the long road ahead.
FAQ: Coilover Conversion Kits
What is included in a coilover conversion kit?
Are Aldan American coilover shocks adjustable?
Yes. Choose from non-adjustable shocks or single- and double-adjustable options. Single-adjustable shocks control rebound or compression, while double-adjustable shocks let you fine-tune both rebound and compression.
Can I install a coilover conversion kit myself?
Absolutely. Our kits are designed for bolt-on installation, requiring no cutting or welding. With basic hand tools, most kits can be installed in a few hours.
What vehicles are compatible with these kits?
We offer coilover conversion kits for a wide range of vehicles, including muscle cars, trucks, and custom builds. Check our fitment guide to find the right kit for your vehicle.
HOW CAN WE HELP YOU?
Call us and we will help you find the right part for your vehicle.
Product Spotlight

Phantom Series Shocks
Phantom Series Single Rebound Adjustable Coilover Shocks Aldan coil-over conversion kits are designed to convert your stock, front suspension to coil-overs. Aldan Phantom Series, single adjustable coil-overs deliver superior handling & ride quality for a drastic improvement over stock suspension. Aldan kits are a 100% bolt-on design that eliminate cutting and welding. Aldan coil-over kits are ride-height adjustable allowing you to properly lower your ride-height up to 2.0 in. Great for street applications.
Specs:
• 11 Points of Adjustment – Easiest to Adjust and Tune for smoother ride
• Nitrogen Charged – Provides a smoother, more consistent ride
• Made in U.S.A. – Designed with lighter weight, higher strength billet mounts, bodies & hardware • Serviceable & Rebuildable – Never buy new shocks again
• Use with 2.5” I.D. Coilsprings
• PAS models include 1” x 1/2” I.D. Bearings (Additional Bearing Options and Sizes available)