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Porsche // 991 (911) MK2 2016-2019 // Any
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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Porsche reference number: 90180301521
Fits:
Porsche 911 R / RS / ST / RSR 1964 - 1973
only for cars with sunroof
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90180301521
The product you are viewing cross references to these numbers
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche Cayman GT4 3.8L 2015-16
Product Description:
If you have the optional Sport Bucket seats and planning to install 6-point race harnesses, then you will need this bracket. Without any modifications, this bracket bolts directly to the seat and keeps the harnesses at the proper 10-20° angle regardless of the seat position.
Features :
• Provides mounting location for sub-belts at the proper 10-20° angle regardless of the seat position
• Precision CNC laser cut and bent from one piece high carbon steel for superior strength
• Stylish design with laser cut BBi logo and durable satin black Powdercoat finish
• Attaches to seat assembly using factory mounting points with all hardware included
• Compatible with Porsche 991 GT3 and 981 Cayman GT4 models equipped with Sport Bucket Seats
• Made in the USA
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
- Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 GT3 4.0L / 992 S/T 4.0L 2021-24
- Porsche 992.1 GT3 RS 4.0L 2022-24
SilverRocket Seamless Dry Carbon Fiber Roll Cage – The
Ultimate Lightweight Safety Innovation for Porsche 992 GT3 / GT3 RS
The SilverRocket Seamless Dry Carbon Fiber Roll Cage redefines
the limits of structural performance and safety for the Porsche 992 GT3 and GT3
RS. Designed to outperform Porsche’s carbon roll cage trend, SilverRocket
engineers have developed a TÜV crash-tested, FIA 253-compliant safety system
that offers exceptional strength, weight reduction, and seamless aesthetics.
For Coupe models WITHOUT sunroof
Fits:
Constructed using 50+ layers of aerospace-grade dry carbon fiber and an AI-optimized uni-directional fiber layup, this roll cage achieves a groundbreaking balance of ultra-lightweight strength — weighing just 12.8 kg versus the manufacturer-standard 14.2 kg equivalent. The result is the strongest, safest, and most precisely engineered roll cage available for modern Porsche GT models.
What Makes the SilverRocket Carbon Roll Cage Unique?
1. Seamless Carbon Fiber Weave Texture
Unlike conventional roll cages with visible joining seams,
SilverRocket’s proprietary carbon manufacturing process creates a flawless,
continuous weave, even across complex curved surfaces — a first in the
industry.
2. TÜV Tested & FIA 253 Certified
Tested by TÜV SÜD, this roll cage exceeds FIA 2023
Safety Requirements (Appendix J – Article 253) by 4.4x, withstanding a
crushing 23,656 kg (52,152 lbs) — surpassing global racing standards by
a significant margin.
3. Fully Symmetrical Structure for LHD & RHD Vehicles
Engineered for true global compatibility, the SilverRocket
roll cage provides identical protection for both left-hand and right-hand
drive models, ensuring uncompromised safety for every driver.
4. Enhanced Rear Visibility & Usability
The lowered curved rear structure ensures zero
rear vision obstruction, while the enlarged central tunnel allows
easy access to the rear seat — perfect for drivers using the area for storage
during track days.
5. AI-Optimized Uni-Directional Layup
Using advanced AI topology mapping, SilverRocket precisely
aligns every carbon fiber layer for maximum load-bearing strength while
minimising weight.
6. Integrated Mounting System for Rapid Installation
The roll cage’s integrated mounting system simplifies
installation, improving alignment and reducing fitting time without
compromising rigidity or performance.
Why Do Conventional Roll Cages Fail?
Traditional metal or multi-piece carbon roll cages often
suffer from issues like:
- Visible
seam joins that create weak points under stress.
- Corrosion
or micro-cracking in metal-based systems.
- Uneven
protection between LHD and RHD variants.
- Poor
rear visibility due to oversized upper bracing.
- Excess weight affecting center of gravity and balance.
The SilverRocket Seamless Carbon Roll Cage solves all of these — combining AI-engineered topology, TÜV-certified safety, and perfectly symmetrical geometry to deliver the most advanced roll cage solution ever produced for the Porsche 992 GT platform.
Why Upgrade to a SilverRocket Seamless Carbon Fiber Roll Cage?
Upgrading to a SilverRocket roll cage provides Porsche GT owners with an immediate performance and safety edge. Its cutting-edge materials and engineering deliver unrivalled protection, improved handling stability, and reduced body flex — all while maintaining a clean, race-ready aesthetic.
Key Benefits:
- Weight reduction from 14.2 kg to 12.8 kg.
- TÜV and FIA-certified impact protection exceeding requirements by over 400%.
- Symmetrical protection and flawless weave finish.
- Improved visibility and rear seat accessibility.
- Integrated, precision-fit mounting system for easy installation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9GT880078
The product you are viewing cross references to these numbers