Specifications
The BOSCH FST 7903 TACH is engineered for precise engine monitoring. It features a 3-3/8 inch (85.7mm) diameter with a crisp white dial face, ensuring clear visibility. This tachometer operates within a 0-8000 RPM range, driven by an advanced air core motor for accurate readings. It is compatible with 4, 6, and 8 cylinder engines and functions seamlessly with breaker points, electronic, and most aftermarket ignition systems, excluding magnetos. The unit is designed for 12-volt negative ground, 4-cycle automotive engines.
- Manufacturer: Bosch
- Model Number: {manufacturers_part_number}
- RPM Range: 0-8000 RPM
- Dial Face: 3-3/8 inch (85.7mm) white dial face
- Sweep: 250-degree needle sweep
- Bezel: Chrome finish
- Motor Type: Air Core
- Engine Compatibility: 4, 6, and 8 cylinder engines
- Ignition Compatibility: Breaker points, electronic, and most aftermarket ignition systems (not magnetos)
- Voltage: 12-volt, negative ground
- Weight: 1 lbs
- Dimensions: 7.9 x 6.1 x 4.5 inches
Key Features
The BOSCH FST 7903 TACH offers a combination of precision and classic automotive style. Its air core motor delivers highly accurate readings and a fast needle response, ensuring that drivers receive real-time engine performance data. An adjustable redline pointer allows for personalized performance monitoring, enabling users to set their preferred shift points. Designed with a traditional Sport II aesthetic, it features a white dial face and a chrome bezel that enhances any vehicle's interior. The tachometer also includes internal illumination for clear visibility during nighttime driving.
Applications
This Bosch tachometer is ideal for a wide range of automotive uses, including custom vehicle builds, restoration projects, and upgrading existing factory gauges. It is specifically designed for 4, 6, and 8 cylinder gasoline engines with 12-volt negative ground systems. The unit integrates with various ignition systems, such as breaker points, electronic ignitions, and most aftermarket setups, providing versatility for many vehicle types. This tachometer is not suitable for marine or aircraft applications.
Benefits
The BOSCH FST 7903 TACH helps drivers maintain optimal engine performance by providing precise and immediate RPM feedback. Its fast needle response allows for quick adjustments, which can contribute to smoother shifting and more efficient power delivery. The clear, easy-to-read white dial face and 250-degree sweep minimize eye strain and enhance visibility, allowing drivers to quickly glance at engine speed. With its adjustable redline pointer, users can customize their monitoring to prevent over-revving and optimize engine longevity. Built with Bosch's reputation for engineering and innovation, this tachometer offers reliable and durable performance. The inclusion of mounting hardware facilitates a straightforward installation process, integrating seamlessly into your vehicle's dashboard or steering column.
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