Description
AST Weld-in Roll Cage Nissan Silvia S13 Hatchback V2
The AST Weld-in Roll Cage Nissan Silvia S13 Hatchback V2 is a full roll cage for the Nissan Silvia S13 with three-door hatchback body, welded to the body at eight points. This Weld-in Roll Cage S13 V2 is supplied as a welding kit and welded into one unit in the car.
A weld-in cage spreads the forces over the whole body instead of over a few bolt points. That makes it stronger than a bolt-in cage, and for many competition classes it is the required version. The V2 adds an X-shaped rear structure.
Key benefits
- Eight weld points: the cage is welded to the body in eight places.
- Stronger than bolt-in: the forces are spread over the whole body.
- Anchored at the rear: in the rear suspension area.
- X-shaped rear structure: extra braces at the rear compared with the V1.
- Gussets included: to reinforce the joints.
- E355 steel: 45 mm diameter main hoop, 40 mm for the rest of the structure.
- Custom base plates: 3 mm thick steel, designed per car rather than universal.
- Exact fit: the body is digitised with laser scanners before the cage is drawn in 3D.
- Complete kit: supplied unpainted with fixings, documentation, installation manual, sticker set and welding test sample.
Fits
Nissan Silvia S13, 3-door Hatchback
- Nissan Silvia S13 Hatchback, also known as 180SX and 240SX
- Version: full roll cage, weld-in, V2
- Drift, circuit use, track days and competition
The S13 exists as a three-door hatchback and as the PS13 two-door coupé. This cage is designed for the hatchback; AST makes separate cages for the PS13 coupé.
Technical specifications
- Manufacturer: AST Roll Cages
- Manufacturer part number: CMBN04648
- Sunroof: suitable for a roof without sunroof
- Headlining: suitable for a roof without headlining
- Rear anchoring: in the rear suspension area
- Rear structure shape: X design
- Type: full roll cage, weld-in
- Main hoop: E355 steel, 45 mm diameter
- Other structure: E355 steel, 40 mm diameter
- Base plates: 3 mm steel, designed per car
- Mounting: 8 weld points on the body
- Weight: 210 kg
- Finish: welding kit, unpainted
- Included: welding kit, gussets, reinforcement plates, bolts, washers and nuts, documentation, installation manual, sticker set and welding test sample
Installation and delivery
The cage is built to order; the standard delivery time is 15 to 35 working days. It comes as a welding kit and is welded into one unit in the car. Leave the welding to someone with experience in roll cages: the included welding test sample is meant to check beforehand that the welding settings are right. On a S13 of this age, check beforehand that the mounting areas are free of rust: welding onto corroded panels gives a cage that will not do its job in a crash. This cage is intended for circuit and competition use; check the regulations of your own motorsport organisation beforehand.
Eight weld points and the tubing of the V2: a S13 that is ready for competition.
Why choose this Weld-in Roll Cage S13 V2?
For anyone building the S13 into a dedicated circuit or competition car, a weld-in cage is the strongest choice. The V2 gives you more tubing than the lower versions and therefore a stiffer body, which you feel in how the car responds on the circuit.
Frequently asked questions
What is the difference with a bolt-in cage?
A bolt-in cage is bolted in on six points and can come out again. This Weld-in Roll Cage S13 V2 is welded in on eight points and is therefore stronger, but stays in the car permanently.
Can I weld the cage in myself?
Only if you have experience welding roll cages. A poor weld takes the strength out of the structure. If in doubt, leave it to a specialist.
Does this cage also fit a PS13 coupé?
No. This cage is designed for the three-door hatchback. The PS13 coupé has a different rear body and gets its own cage from AST, which you will find separately in our shop.
What is the delivery time?
The standard delivery time for this roll cage is 15 to 35 working days, because AST builds every cage to order.
Delivery outside the European Union: different shipping costs may apply. Don’t worry: we will email you as soon as possible after your order and agree the shipping with you. You are not committed to anything without your consent.








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