How to Upgrade Classic Corvette Control Arms for Modern Handling

EK Staff
By: 

EK Staff

 / Mar 26 2026
How to Upgrade Classic Corvette Control Arms for Modern Handling

Upgrading classic Corvette control arms for modern handling starts with replacing worn OEM components, bushings, shafts, and strut rods with stronger, more precise parts. The right suspension upgrades can improve steering response, braking stability, alignment, and overall road feel without sacrificing your Corvette’s classic character.

We know that you love the way your classic Corvette looks, but do you love how it feels on the road? The design is timeless, sure, and so are many of its classic features. But did you know that you can improve the way your ride handles without compromising its classic style and feel? The good news is that you don't have to struggle behind the wheel of your classic Corvette because you can upgrade the control arms for modern handling. In this guide, we cover everything you need to know.

Replace Both Control Arms with Rebuilt OEM-Style Kits

Rebuilt classic Corvette upper control arm with polyurethane bushings for improved suspension handlingThe first tip that we have is to simply swap out your old control arms with rebuilt OEM-style components. This will help you modernize your handling in no time, and there's a good chance you'll save some money along the way. Still, there are some caveats here. The biggest mistake you can make is not replacing both control arms at the same time. In fact, this really applies to most suspension upgrades. In other words, making sure you do the same thing to both sides of your classic Corvette or modernizing your Corvette’s control arms may feel more like a downgrade than an upgrade. This is due to the fact that mixing new parts with old OEM parts may lead to uneven tire wear, unstable braking, and unpredictable steering. A great option to start with is a simple rebuilt set of your OEM-style control arms. Please ensure you get both sides. With these A-arms, you don't have to worry about replacing the control arms part-by-part.

Components to Swap Out for Modern Handling

When it comes to upgrading the way your classic Corvette handles, there are a few key components you'll want to swap out. If you plan on rebuilding your suspension system part by part for a customized handling feel, we cover the best parts to tackle below.

Swap Out the OEM Bushings

The original C2 and C3 Corvettes came with rubber bushings, so if you still have them on your Vette, it's time to swap them out. Rubber isn't bad, per se, but after 50 years it starts to give out on you. This is why one of the first things you should consider is replacing the OEM bushings with polyurethane bushings. The result? Long-lasting bushings with less steering wheel deflection, tighter handling, and more responsiveness to the road. Sure, the rubber ones may be comfortable, but they won't be once they start to rot.

Upgrade Your Front Strut Rods

Classic Corvette front strut rod for lower control arm stability and improved steering responseLet's not forget about the lower control arms and how swapping out something as simple as a strut rod can have a huge impact. The strut rod connects the front lower control arm to the vehicle’s frame, and improves stability and helps maintain the caster angle. OEM options are likely worn down by now, and installing a new strut rod can improve handling, cornering, and braking. Modern counterparts also feature corrosion-resistant materials, so the part will last a lot longer.

Don’t Overlook Control Arm Shafts During a Full Rebuild

If you’re rebuilding your control arms piece-by-piece, we respect that. Still, you need to make sure you’re replacing all the right components, and you shouldn't overlook the control arm shafts. We know that bushings get a lot of attention, but the shafts that those bushings pivot on are just as important. In fact, if you leave the stock ones on an older Corvette, you'll end up wearing out the other components with binding, premature wear of your new bushings, and much more. Essentially, overlooking the shafts can undo a lot of your modern upgrades in a hurry. So, if you plan on replacing your upper and lower classic Corvette control arms, don't forget about the shafts for smooth operation.

Don't Forget to Shim!

Classic Corvette upper control arm alignment shim set for front suspension adjustmentLastly, you can't forget the shims, especially on some of those earlier C2 and C3 classic Corvettes. Why? Because what's the point of swapping out components when your alignment is a mess? Even with the best bushings, shafts, and supporting cast of strong strut rods, if your front wheels aren't properly aligned, you'll deal with uneven wear, unstable braking, and lots of other problems. When choosing shims, make sure you choose options that are made with stainless steel. It also helps if you choose shim kits that come with the parts you need for both front wheels. In fact, the best sets come with different thickness variations to help you achieve your handling goals.

Out with the Old, In with the New

Classic Corvette trailing arm pivot bolt kit for rear suspension support and restorationWhen it comes to swapping out your OEM-style control arms for modern counterparts, the good news is that you don't have to completely overhaul your suspension system. Instead, you can replace shafts, bushings, and joints with modern counterparts that last longer, feel better, and transform the feel of your classic Corvette. That said, don't forget to improve the supporting cast. Whether you want to improve trailing arm pivot bolts that improve rear suspension or you need extra tools for alignment, we have all the parts you need. Shop Ecklers online today, connect with our sales techs, and get the best classic upper and lower control arm upgrades sent right to your door.

FAQs

What do control arms do on a classic Corvette?

Control arms connect the suspension to the frame and help keep the wheels aligned as your Corvette moves, making them essential for steering, braking, and ride stability.

Should you replace both control arms on a classic Corvette at the same time?

Yes, replacing both control arms at the same time helps maintain balanced handling, even tire wear, and predictable steering performance.

Are polyurethane bushings better than rubber bushings for classic Corvettes?

Polyurethane bushings are often a better choice for modern handling because they last longer, reduce flex, and deliver tighter, more responsive steering than old rubber bushings.

Do strut rods affect classic Corvette handling?

Yes, front strut rods help support the lower control arms, maintain caster angle, and improve braking, cornering, and front-end stability.

Why are alignment shims important when upgrading Corvette control arms?

Alignment shims are important because they help set proper front-end alignment, which prevents uneven tire wear, unstable braking, and poor handling after suspension upgrades.