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Description

AST Bolt-in Roll Cage Nissan Silvia S15 Coupé V2

The Bolt-in S15 Coupé V2 is a full roll cage from AST Roll Cages for the two-door Nissan Silvia S15, bolted in at six points and anchored at the back in the rear suspension area.

The difference from the V1 is the front reinforcement bars that run from the A-pillar to the bulkhead. This ties the cage to the chassis from front to back: at the rear where the multi-link suspension pushes, at the front where the strut towers work. On an S15 that is driven hard, that is the difference between a car that holds its line and a car whose body is constantly flexing in the background.

The rear structure has an X design. The cage is supplied unpainted.

Key benefits

• Front reinforcement bars to the bulkhead, the difference from the V1
• X design rear structure, as AST designs it for this version
• Anchorage in the rear suspension area
• FIA connecting sleeves, so the cage remains removable
• Six bolting points on six foot plates welded to the bodyshell
• E355 steel, 45 mm main hoop and 40 mm for the remaining tubes
• Custom-made via laser scan of the original bodyshell

Suitable for

Nissan Silvia S15, two-door Coupé

• S15 Spec-R and Spec-S, rear-wheel drive
• Roofs without a sunroof
• Roofs without headlining
• Track days, drifting and track use

Technical specifications

• Manufacturer: AST Roll Cages
• Part number: CMBN05012
• Material: E355 steel
• Main hoop tube diameter: 45 mm
• Secondary structure tube diameter: 40 mm
• Foot and reinforcement plates: 3 mm steel, custom-made for each car
• Mounting: 6 bolting points on 6 foot plates welded to the bodyshell
• Construction: divided into sections via FIA connecting sleeves
• Weight: 210 kg
• Finish: unpainted
• Sunroof: for roofs without a sunroof
• Headlining: for roofs without headlining
• Rear anchorage: in the rear suspension area
• Rear structure layout: X design
• Included: welded structure, connecting sleeves, reinforcement plates, bolts, washers, nuts, documentation, fitting instructions and sticker set

Fitting and delivery

The six foot plates are welded to the bodyshell, after which the cage is bolted onto them. With the front bars, watch the space along the dashboard: that is where they share room with the wiring loom and the heater box. Measure this carefully before the foot plates are permanently fixed.

Each cage is custom-built after you order. The delivery time is 15 to 35 working days.

From the strut towers to the rear suspension, with bolts instead of a permanent weld.

Why choose this Bolt-in S15 Coupé V2?

Leave the front end out of the equation and you throw away half the gain. The front bars in this version tie the cage to the bulkhead, so the forces from the front axle are carried away through the structure instead of lingering in the panelwork. Being able to take the whole thing apart again later thanks to the connecting sleeves is a welcome bonus for a car that is not yet a dedicated competition car.

Frequently asked questions

Is this a half or a full roll cage?

A full roll cage, with six bolting points and a structure extending into the front compartment.

What does V2 add compared with V1?

The Bolt-in S15 Coupé V2 has two front reinforcement bars to the bulkhead and an X design rear structure. The V1 does not have those bars.

Is any welding involved?

Yes, for the six foot plates. These are welded to the bodyshell; the cage is then bolted onto them.

How much does this roll cage weigh?

According to AST Roll Cages, this item weighs 50 kg.

Is this roll cage homologated?

AST does not list an FIA homologation number for this item. Assume track and competition use, and check the regulations of your own organiser.

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.