Safety Devices Hillman Roll Cages: Updated for the 2025 Racing Season
Roll cage news, February 2025
Ahead of the 2025 season we have been through our Safety Devices Hillman roll cage listings for the Imp and the Avenger. Every cage now has clearer information on which car and years it fits, its design and approval details, and the options you can choose.
Hillmans still turn out in historic racing, sprints, hillclimbs and rallies, and they need cages built for their shells. Here is what is in the range, how the options work and what to think about before you order.
- Safety Devices bolt-in cages for the Hillman Imp and Hillman Avenger
- Imp cages come in pre 1969 and post 1969 versions
- Full six point cages and rear cages that can be used on their own
- Rear cage options: single fixed diagonal, harness bar or cross diagonal
- Black powder coat as standard, with grey, blue, silver, white and red available

The Hillman range
Safety Devices make cages for two Hillmans in our range. The Imp has two sets of cages, one for pre 1969 cars and one for post 1969 cars, so check the year of your shell before ordering. The Avenger cages are listed for the four door Avenger built from 1970 to 1976.
For each car there is a six point bolt-in cage and a bolt-in rear cage. The listings describe the cages as clearing the normal trim and dashboard, with the rear section mounting to the floor and the rear wheel arches. On the Imp rear cage, the listing notes that the rear door pockets may need to come out to fit it.
The Imp is a small car with a rear engine, and it is still a regular in historic saloon racing.
If you are unsure whether your Imp counts as a pre or post 1969 car, tell us what you have and we will help you check before you order.

How the options work
The rear cage can be used on its own, and it comes in several designs: a single fixed diagonal, a single fixed diagonal with a harness bar, or a cross diagonal with a harness bar. The Imp rear cage can also be had with a seat belt mount for a standard three point belt; the listing is clear that this mount is not a harness bar.
The full cage adds a front section, which must be used with a rear cage. Door bars are universal, one per side, and are used with the front and rear cage together. You can choose to have door bars on both sides or none.
Cages come in black powder coat as standard, with grey, blue, silver, white and red available, or unpainted on request.
Which cage for which kind of event
A rear cage is a common choice for a car that sees track days or road use, where you want protection behind the driver and somewhere to mount a harness without filling the whole cabin with tube. A full six point cage with door bars is what most competition cars need, whether that is circuit racing, sprints and hillclimbs or rallying.
The deciding factor is always the regulations for what you do. Championship regulations and the Motorsport UK Yearbook set what a car must have, and some series and events ask for a welded cage. Check yours before you order, and ask the scrutineers if in doubt.
FIA and Motorsport UK approval
The FIA sets the international rules for motorsport, and Motorsport UK (known as the MSA until 2019) governs the sport in the UK. Both have rules on roll cage design and materials, and Motorsport UK’s regulations are what most UK club events run under.
Safety Devices list these Hillman cages as independently certified, with MSA/FIA homologation. The listings say the certificate is available from Motorsport UK. Keep a copy with the car, as scrutineers may ask to see it.
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Fitting a bolt-in cage properly
These cages bolt in, so no welding to the shell is needed to fit them. That does not make fitting a casual job. The mounting points, spreader plates and the condition of the metal they bolt to all decide how well a cage protects you, and on a car that may be fifty years old, the floor and arches need checking first.
Garreth’s advice is to have a cage fitted, or at least checked, by someone experienced with competition cars, and to have it inspected by a scrutineer before the car competes.
About Safety Devices
Safety Devices are a UK maker of competition roll cages, and we list their cages for a long list of cars as well as the Hillmans. You can see the Safety Devices Hillman cages together, or browse the whole Safety Devices range.
Which Hillmans do Safety Devices make cages for?
In our range, the Hillman Imp (pre 1969 and post 1969 versions) and the four door Hillman Avenger from 1970 to 1976.
Are the Safety Devices Hillman cages bolt-in or weld-in?
They are bolt-in cages. Check your championship regulations, as some events ask for a welded cage.
Can I use the rear cage on its own?
Yes. The rear cages can be used alone, and the front cage must be used with a rear cage.
What colours are the cages available in?
Black powder coat as standard, with grey, blue, silver, white and red available, or unpainted on request.
Do the door bars fit without the front cage?
No. The universal door bars are used with the front and rear cage together, one per side.
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For Imp and Avenger ownersA cage built for the shell
Bolt-in Safety Devices cages for Hillmans, with rear cage, door bar and colour options.
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