61 sold in last 24 hours JPC4.5 Roll Cage Design
The JPC4.5 specification builds on the JPC4 design, introducing additional roof reinforcement to meet the requirements of higher-level motorsport applications.
Designed for track-day use and MSUK competition, this specification provides a strong, competition-ready structure with increased protection and rigidity.
This design meets the requirements for UK stage rally vehicles produced after 2006, with the addition of a roof diagonal to comply with current regulations.
Buyer responsibility:
Suitability for motorsport use depends on event regulations — customers must ensure the selected specification meets the requirements of their specific championship or class.
✅ Design & Layout – Competition-Ready With Roof Reinforcement
The JPC4.5 design further develops the structure in line with Appendix K of the MSUK Yearbook:
- X rear or X centre bracing for maximum structural rigidity
- Harness bar included for correct harness mounting
- Double door bars for increased lateral protection
- Centre brace included to strengthen the main structure
- A-pillar supports added for increased front-end rigidity
- Single roof diagonal added for additional roof strength
- Gusseting included to reinforce key load points
- Designed as a full competition-ready cage layout
🧩 JPC4.5 Specification Overview
| Feature | Included |
|---|---|
| Rear / Centre Bracing | X Rear or X Centre |
| Harness Bar | Yes |
| Door Bars | Double |
| Centre Brace | Yes |
| A-Pillar Supports | Yes |
| Roof Bracing | Single Roof Diagonal |
| Gusseting | Yes |
🛠 Fitment Compatibility
The JPC4.5 design can be applied across:
- Bolt-In Competition Cages
- Weld-In Cages
Dash-dodger cages are not available at this specification.
Final configuration may vary depending on vehicle and cage type.
⚠️ Motorsport Use Note
- Meets the requirements for UK stage rally vehicles (post-2006 models)
- Suitable for higher-level motorsport applications where roof reinforcement is required
- Always confirm compliance with your specific championship regulations
🎯 When to Choose JPC4.5
- Stage rally builds requiring compliant roof bracing
- MSUK competition builds needing a fully reinforced cage layout
- Customers preparing vehicles for serious competition use
- Builds where maximum structural integrity is required
🏆 Why Choose JPC4.5
- Builds on JPC4 with added roof reinforcement
- Meets UK stage rally structural requirements
- Increased chassis and roof rigidity
- Fully gusseted and reinforced structure
- Suitable for high-level motorsport environments
💰 Pricing & Material Options
| Option | Description | Price |
|---|---|---|
| Standard CDS (E355+N) | MSUK-compliant material suitable for competition use | From £2250+VAT |
| Lightweight BS4-T45 (Non-Homologated) | Reduced weight option, not approved for competition use | From £2700+VAT |
| Lightweight BS4-T45 (Homologated) | Lightweight option supplied with certification for competition use | From £3200+VAT |
💳 Booking & Deposit
This listing is for a 50% deposit to secure your build slot.
Remaining balance payable on completion.
Once your order is placed, we will contact you to:
- Confirm vehicle details
- Finalise specification
- Arrange your booking date
Perfect for:
Stage rally and MSUK competition builds requiring a fully reinforced, compliant roll cage design.
Choose JPC4.5 – engineered for serious competition and regulatory compliance.
