3-3/8in O/T/W II Tach

The AutoMeter 3-3/8in O/T/W II Tach is a premium analog tachometer designed for serious performance enthusiasts and professional mechanics who demand accurate real-time engine RPM monitoring. This classic gauge format fits seamlessly into most custom dashboard builds, bracket systems, and instrument clusters where digital readouts or OEM equipment may not suffice. Ideal for tuning street machines, monitoring freshly built engines during break-in, or managing high-rpm track sessions, this tachometer provides the reliable feedback necessary for optimal engine performance.

The O/T/W II designation specifically indicates the tachometer's capability to monitor Oil, Temperature, and Water, making it a versatile tool for engine management. Its robust internal construction is designed to withstand engine bay vibration, temperature swings, and electrical noise common in modified vehicles. The 3-3/8 inch diameter face ensures excellent readability from the driver's seat, while the analog needle movement delivers instantaneous RPM changes—critical for tuning fuel mapping and ignition timing.

Mechanics and fabricators choose the AutoMeter 3-3/8in O/T/W II Tach for performance vehicles, hot rods, and race cars, where precise RPM monitoring is essential. Its precision calibration and long-term stability make it a reliable choice for those who demand accuracy in their engine builds. Whether you're a professional mechanic or a dedicated enthusiast, this tachometer is an invaluable addition to your instrumentation.