Safety Devices Jaguar roll cages: the 2025 range update
For the 2025 season, we updated our Safety Devices Jaguar listings to make the cage sections and model choices easier to follow. The range covered classic saloons and the E-Type through to the XJ family and XJS. Garreth's starting question is which Jaguar you are building and what you want to do with it. Cameron can then help identify the matching front section, rear section and door bars from the cage reference.
The January 2025 update brought the options together on the product pages, including rear-only choices and powder-coat finishes.

What is on this page
The Jaguar range
Safety Devices is a British manufacturer of roll-over protection. Its Jaguar designs cover different shells, so the cage number and body style are more useful than the Jaguar badge alone. The classic saloon family includes the Mk1, Mk2, 240, 340, Daimler V8-250 and the 1963–1968 S-Type. The XJ range includes the XJ6, XJ40, X300 and X308, with a separate design for the XJS.
Check the exact roof and body version before choosing an E-Type cage, because a coupe and a convertible with a hard top have different structures and installation requirements.
What we have updated
The updated listings separated front cages, rear cages and door-bar choices, making it easier to order the intended assembly.
Choose the rear design
Depending on the cage reference, the choices include a single diagonal or a cross diagonal, with a harness bar where specified. A rear section may be used alone only where that exact design permits it; a front section and its door bars need the matching rear section.
Match the door bars
Match the front and rear sections to the chosen door-bar arrangement: single bars for the J026 XJ design, or the specified single or cross bars for J011 XJS cages.
Specify the finish
Confirm the finish when ordering: the shop listings describe black powder coat as standard, with grey, blue, silver, white and red options or an unpainted finish by request.
Plan the shell preparation
A bolt-in cage can still need reinforcement plates welded to the bodyshell. Check the exact fitting instructions before planning the work or assuming the interior can remain untouched.
The J026 front cage clears the dashboard, but the installation can still require removal or alteration of other interior parts.
Cameron would check the component reference and mounting positions with the installer before the cage is ordered.

Full cage or rear cage
A rear cage puts the main hoop and backstays behind the front seats. Adding the matching front cage extends the assembly around the front seating area, with the door bars specified for that design.
Choose the cage around your event’s requirements and the actual shell. A harness bar also needs suitable shoulder-belt routing; its presence alone does not establish the correct belt height or angle for your seat.
Garreth’s advice is to plan the seat and harness installation alongside the cage so that the components can be checked together.
Jaguar cage references
| Design | Jaguar application | Component check |
|---|---|---|
| J024 | Classic Mk1/Mk2, 240/340, Daimler V8-250 and 1963–1968 S-Type | Choose the required rear diagonal and harness-bar arrangement. |
| J026 | XJ6 and XJ40/X300/X308 | The maker distinguishes XJ6 S1–3 A sections from XJ40/X300/X308 B sections. |
| J011 | XJS, 1975–1996 without a sunroof | Match single or cross door bars to the corresponding cage sections. |
| J039 | E-Type S1/S2 coupe | Check the rear diagonal, harness bar and front mounting arrangement. |
| J004 | E-Type S1/S2 convertible with lightweight hard top | Rear bar supplied as a weld-together bolt-in kit; the maker specifies this separately from its competition cages. |
Use the manufacturer’s J026 specification to identify A/B sections and read the J004 hard-top application before treating an E-Type convertible as the same job as a coupe.
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You can see the whole range in our Safety Devices Jaguar roll cages category, and cages for other makes in the full Safety Devices range.
Jaguar roll cage questions
Which Jaguars were covered by the range update?
The range included classic Mk1/Mk2, 240/340, Daimler V8-250, classic S-Type, E-Type, XJ6, XJ40, X300, X308 and XJS applications, with the exact cage chosen for the shell and roof type.
Does bolt-in mean there is no welding?
The cage sections bolt together, but reinforcement plates may need welding to the shell; the J004 E-Type rear bar is a weld-together kit, so check the specific installation.
What finishes do the shop listings describe?
Black powder coat is the standard finish described, with grey, blue, silver, white and red choices or an unpainted finish by request, subject to the selected component.
Can I order only the rear section?
Several Jaguar rear sections are listed for use alone, but confirm the exact reference and intended use; a rear cage does not meet every competition requirement.
Does every Jaguar cage have the same approval?
Check the manufacturer statement and the actual configuration: a homologated design and one described as complying with regulations are different descriptions, and the J004 hard-top rear bar is listed by the maker as not for competition use.
Discuss the Jaguar you are building
Send the model, year, roof type and intended use, plus any cage reference you already have. Garreth can help choose the configuration to consider, and Cameron can check which sections belong together.
Later fitting advice and manufacturer references
The January 2025 range announcement is retained above. For a project being planned now, read our published bolt-in cage fitting guide alongside the manufacturer's general fitting instructions and the instructions for the exact cage.
The J011 XJS specification distinguishes its compliance statement from the homologation wording on J026; confirm eligibility and the required documents for your event.
Need help planning the seating?
Drop us an email or click to open a chat about the seat, harness and cage combination.


