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Precision Raceworks Stand Alone AFS for MKV Toyota Supra
The Precision Raceworks MKV Toyota Supra Stand Alone AFS Upgrade Kit delivers an ultra-stable, high-performance low-pressure fueling solution engineered specifically for port injection demands. By isolating your auxiliary port fueling from the factory PWM-controlled primary pump, this system eliminates fuel pressure oscillations and prevents ECU intervention to ensure rock-solid rail pressure under extreme boost.
Built with ethanol-ready components, the kit features a 10-micron Microglass filter, smooth-bore AN6 PTFE feed and return lines, and a fully adjustable 1:1 boost-scaling billet fuel pressure regulator. It enhances injector resolution and simplifies tuning, creating an expandable platform that works seamlessly alongside both stock and upgraded primary fuel pumps.
Key Features
| Brand | Precision Raceworks |
| Product Type | Stand Alone Fuel System Upgrade Kit |
| Compatible Make | Toyota |
| Compatible Model | Supra (MKV / A90 / A91) |
| Model Years | 2020, 2021, 2022, 2023, 2024 |
| Fuel Compatibility | 100% Ethanol Compatible (E85 Safe) |
| Fuel Line Size | AN6 |
| Fuel Line Material | PTFE Smooth Bore |
| Fuel Filter Rating | 10 Micron Microglass |
| Pressure Regulator | Billet Aluminum 1:1 Boost Scaling |
| Top Hat Ports | 3 High Flow Ports |
| Shipping Weight | 12 lb |
Highlights
- Billet Aluminum top hat with 3 high flow fuel ports
- Dedicated fuel pump(s) for port injection system
- Optimal pump location resistant to fuel slosh under acceleration
- Fully adjustable 1:1 scaling billet fuel pressure regulator
- 10 micron Microglass fuel filter (Ideal for E85)
- Smooth bore high flow PTFE fuel feed & return lines (AN6)
- All billet connections for both fuel line fittings and top-hat
- Plug and play connectors inside and outside the top hat
- Configurable pump activation harness
- Increased injector flow (when using 1:1 regulator feature vs static)
- Compatible with all stock or upgraded primary fuel pumps
- Easily expandable and upgrade-able for more fuel
- All components and parts feature 100% Ethanol Compatibility
Compatibility
Compatible with the following vehicles:
- 2020–2024 Toyota Supra (MKV / A90 / A91)
What's included
- Dedicated low-pressure fuel pump assembly
- Billet 1:1 boost-scaling fuel pressure regulator
- 10-micron Microglass fuel filter
- AN6 PTFE feed and return lines with billet fittings
- Configurable pump activation wiring harness
- Plug-and-play internal and external connectors
Frequently asked questions
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