22522 Aspan St, Lake Forest, CA  ·  Mon–Fri 7am–4pm
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(949) 393-2355
Straight Talk from the Shop

Hand controls that actually fit

A universal hand control kit is sold as a bolt-on. Fitting one properly — so the seat still adjusts, the pedals still work for everyone else, and none of it is permanent — is a fabrication job.

Adaptive hand control assembly installed alongside the driver's seat

A customer came to us needing his car set up so he could drive it entirely by hand. He had already bought the kit — a universal hand control system, the kind advertised to fit a wide range of vehicles.

That word does a lot of work in the marketing. In practice, “universal” means the manufacturer supplies parts that can be adapted to many cars. It doesn’t mean those parts fit any particular car correctly. The kit gives you a starting point. Everything after that is fabrication, and how well it’s done is the difference between equipment that merely functions and a car that’s genuinely set up for the person driving it.

Universal hand control kit as delivered, in its packaging with instructions
The kit as it arrives. Every part in the box is designed to be adapted — which is another way of saying none of it is designed for your car specifically.
Have a kit that needs fitting? We’ll talk through whether it suits your car before you commit — no charge for the conversation.
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What a proper installation has to achieve

Before touching the car, it’s worth being clear about what “done properly” means here. Every one of these matters, and most of them are where a quick installation goes wrong.

Where the fabrication came in

Meeting that list took considerably more work than the instructions suggest.

The biggest piece was the seat bracket. To keep the seat fully adjustable while still giving the throttle assembly something solid to mount to, we pulled the seats out entirely and modified the bracket, welding on a fixture to carry the control assembly. Mounting there rather than to the floor means the assembly travels with the seat — so the seat keeps every inch of its fore-and-aft adjustment.

Custom fixture freshly welded to the modified seat bracket
The fixture, freshly welded — heat colouring still on the steel.
The fabricated seat bracket fixture after painting
Cleaned up and painted before assembly.
Throttle control assembly mounted to the seat bracket in the car
Mounted in the car, carrying the control assembly.

The mounting plate itself is the part that has to be right. It picks up existing structure rather than new holes in the floor, spreads the load across several fasteners instead of concentrating it, and sits low enough to stay clear of the driver’s legs. Everything above it — the handle, the linkage, the loads that go through them every time the car stops — depends on this plate not moving.

Fabricated mounting plate bolted into the floor structure of the car
The plate in place, picking up existing structure.
Detail of the mounting plate fasteners and how the assembly attaches
Load spread across multiple fasteners, not one.

From there the list of modifications ran long. The brake pedal was modified so the control rod could bolt directly to it — a positive mechanical connection, not a clamp relying on friction against a pedal that gets pushed hard. The brackets supplied with the kit were reworked for fitment, and extra bracing added where the kit’s own hardware wasn’t stiff enough to stop the assembly flexing under load. The brake control rod was reshaped to clear the dash through its full sweep.

The dash itself was modified, but deliberately and as little as possible. It would have been quicker to cut a large opening and let the rods swing freely through it. Instead it was altered only enough to allow full movement while keeping the result tidy. Everything was painted before final assembly and put together with thread locker.

Control rod bolted directly to the modified brake pedal
The rod bolts through the pedal — a positive connection, not a clamp.
Threaded adjustable rod end on the hand control linkage
Threaded rod ends allow the geometry to be dialled in on the car.
Footwell showing both foot pedals still fully usable alongside the hand control linkage
Both pedals still work normally for any other driver.
Every car is different. Tell us the vehicle and the system you’re considering and we’ll tell you what’s involved.
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The part that doesn’t photograph

Most of the hours went into fitment rather than fabrication. Test fitting, checking clearance through the full sweep of the handle, sitting in the seat and running it through its travel, hunting for anywhere a rod could contact something or a corner could catch fabric. None of that shows up in a photo or on a parts list, and it’s the majority of what makes the difference.

Completed hand control assembly and linkage installed beside the driver's seat
The finished installation. Solid where it needs to be, and tucked far enough out of the way that it doesn’t dominate the cabin.
It all comes back out. The complete system can be removed with minimal impact to the vehicle — that was a requirement from the start, not an afterthought. Circumstances change, needs change, and cars get sold. An installation that permanently alters the car costs the owner money later and narrows the pool of buyers. Doing it reversibly takes more thought up front — modified brackets instead of drilled floors, added fixtures instead of removed structure — and it leaves the owner with options.

If you need this done

A few practical things worth knowing before you call:

We’re a European service shop, and adaptive controls aren’t our core business. What we do have, which most service shops don’t, is a fabrication shop — our sister company builds and maintains race cars next door. Brackets that have to be stiff in the right places, linkages that have to move cleanly through their full travel, and controls that have to feel right to the person operating them are all things we deal with routinely. A hand control assembly is a driver interface, the same as a shifter or a pedal box. The standard should be identical, and the tolerance for getting it wrong is lower.

Talk to us

If you have a hand control kit that needs fitting, or you’re trying to work out whether a particular system will work in your car, we’re happy to talk it through. We also fit left-foot accelerators and pedal extensions.

We’re in Lake Forest and we look after drivers across Orange County — Irvine, Mission Viejo, Laguna, Tustin and the surrounding cities.

Adaptive controls, fitted properly.

Hand controls, left-foot accelerators and pedal extensions — installed by the fabrication shop that builds race cars.

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