S58 and B58 Gen 2 High Flow Injectors
Vendor:
Nostrum High Performance
Product Type:
Fuel Injectors
- $2,099.00 USD
- $2,099.00 USD
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$2,099.00
Enhance your vehicle's performance with Nostrum's S58 and B58 Gen 2 High Flow Injectors. Designed for the S58 and B58 Gen 2 engines, these injectors offer significant fuel flow improvements, supporting substantial horsepower gains with proper tuning.
Key Features:
- Increased Flow Rate: 26% higher than stock S58 injectors; 60% higher than stock B58 Gen 2 injectors.
- High-Pressure Capability: Supports up to 350 bar fuel pressure, accommodating normal operational overpressure.
- Direct Fit: No need for harness adapters or spacers; installs seamlessly.
- Ethanol Compatible: Suitable for ethanol-blended fuels.
- Optimized Spray Pattern: Features an 8-hole spray geometry for efficient fuel atomization.
- Quality Assurance: Each injector undergoes rigorous static and dynamic testing to ensure optimal performance and batch consistency within +/-2%.
- Comprehensive Support: Includes detailed installation guide and tuning data compatible with popular tuning suites like ECUTek, MHD, and BM3.
Performance Potential:
- On 93 Octane Fuel: Up to 930 WHP
- On E85 Fuel: Up to 800 WHP
Technical Specifications:
- Flow Rate: 13.8 g/s
- SKU: H720-1996
Tuning Requirement: Yes, tuning is required to optimize performance with these injectors.
Supported Tuning Suites: ECUTek, MHD, BM3
Frequently Asked Questions:
Will these work in a Gen 1 B58?
The Gen 2 injectors are intended for use with the Gen 2 B58 and S58 engines only!
The Gen 2 B58, like the one found in the A90 Supra, and the S58 use a 350 bar high-pressure fuel system from the factory, whereas the Gen 1 B58 engine uses a 250 bar system.
Although the injectors look similar, the 250 bar system uses a Bosch HDEV5 injector with a 7.5mm diameter pintle shaft, while the 350 bar system uses a Bosch HDEV6 injector with a 6mm diameter pintle shaft. Although you may be able to install a 6mm stem injector into a B58 Gen 1 (a little too easily!), the Gen 2 injector will not seal in a Gen 1 engine, because of the Teflon seal stem diameter difference; and a Gen 1 injector will not physically fit into a Gen 2 engine.
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