Whether you’re tuning a diesel tow rig or a high-performance gas truck, accurate boost and pyrometer readings are essential for protecting engines and maximizing performance. This guide highlights five top Amazon picks that pair boost pressure and exhaust gas temperature (EGT) measurements with clear displays and robust sensors. Each option targets different driver needs—from simple dual-parameter gauges to comprehensive multi-gauge kits. The table below offers a quick snapshot to compare core features at a glance.
| Product | Best For | Display Type | Key Benefit |
|---|---|---|---|
| Hewitt Industries Combo Pyrometer & 50PSI Boost Gauge Kit | DIY tuners seeking a two-gauge kit | Analog | Simple, rugged two-gauge setup for quick diagnostics |
| Digital Dual Boost & Pyrometer Exhaust Gas Temperature EGT Combo Gauge | Tech-savvy enthusiasts | Digital | Mode switching and color pre-warn system for proactive monitoring |
| GlowShift 3in1 Analog Boost/EGT/Temp | All-in-one display fans | Analog with digital readouts | Three readings from one compact unit |
| GlowShift Black 7 Color Diesel 3 Gauge Kit | Customizable look and reliable trio | Analog | Multi-color modes to match dash lighting |
| GlowShift 10 Color Digital Dual Boost & EGT Kit | High-visibility digital dual readout | Digital | Separate color displays for quick glance readings |
Hewitt Industries Combo Pyrometer & 50PSI Boost Gauge Kit

The two-gauge kit combines a 1,600°F pyrometer with a 50 PSI boost gauge. The 2-1/16 inch black-face gauges are rugged for heavy-duty use and are designed to diagnose engine problems and protect turbo systems. This setup is best for buyers who want a straightforward, reliable two-gauge solution without extra features. A potential limitation is the lack of digital readouts or programmable warnings, which means less peripheral-vision safety cues compared to digital options.
Digital Dual Boost & Pyrometer Exhaust Gas Temperature EGT Combo Gauge Kit

This 2-1/16″ (52mm) digital kit offers 10 color display, 0–1800°F EGT, and 99-PSI Boost sensors with included wiring. It supports three display modes and a two-stage warning system with a color pre-warn feature. Best for tech-savvy drivers who want flexible readouts and audible alerts. A caution: the complexity of setup may require careful wiring and configuration to avoid false alarms during initial use.
GlowShift 3in1 Analog Boost, EGT & Temperature

Three-display gauge consolidates analog boost with digital EGT and a temperature readout in one unit. It features 10 solid color modes plus two color cycle modes, plus daytime/nighttime dimming for legibility. Best for buyers who want a single, compact instrument cluster with customizable lighting. Limitation: some users may prefer full digital readouts for exact numeric values at a glance.
GlowShift Black 7 Color Diesel Truck Gauge Kit

This three-gauge kit includes 60 PSI Boost, 1500°F EGT, and transmission temperature gauges. With seven solid color modes and two color cycle options, it offers strong customization to match factory dash lighting. Best for owners who want three vital metrics with a consistent aesthetic. A potential drawback is that the analog format may require closer visual attention for precise readings under challenging driving conditions.
GlowShift 10 Color Digital Dual Boost & EGT Kit

This digital dual gauge supports boost and EGT readouts with ten color options and two color cycle modes. It includes sensors, wiring, and calibration features for easy startup. Best for drivers who want clear, digital visibility and separate color settings for quick interpretation at a glance. Limitation: more components and wiring may require a cleaner install compared to single-unit gauges.
ZHSYMX Universal EGT & Boost/Nano Kit

The ZHSYMX kit provides both an EGT gauge and turbo boost/vacuum metrics in a single digital display, with programmable peak memory and threshold warnings. Best for buyers who want a compact, digital solution with adjustable alarms. A caveat is that the feature set relies on digital memory that must be configured accurately to avoid stale data.
GlowShift Tinted 7 Color 30 PSI Turbo Boost/Vacuum Gauge

Mechanical boost with vacuum gauge offers a robust alternative for those who prefer an analog mechanical setup. It includes a 0–30 PSI boost range and -30 to 0 inHg vacuum range, with seven color modes for dashboard coordination. Best for buyers seeking a simple, mechanical gauge with customizable lighting. Limitation: no digital data logging or alarm features.
Buying Guide
- Display Type: Decide between analog, digital, or a hybrid system. Digital displays offer precise numeric values and easier color-coding, while analog gauges are often more durable and straightforward to read at a glance.
- Gauge Coverage: Consider whether you need a dual-gauge setup (boost and EGT) or a triple/quad gauge kit for additional metrics like transmission temperature or volts.
- Color and Lighting: Multi-color displays help you match dash lighting and improve legibility during day or night driving. Check whether the kit offers color cycle or dimming options.
- Warnings and Alarms: Look for multi-stage warnings and audible alarms for early detection of rising temperatures or abnormal boost levels. This can reduce reaction times in risky conditions.
- Sensor and Wiring: Ensure sensors are included or sold separately if you need high-precision readings. Verify wiring diagrams and ease of installation for your vehicle.
- Compatibility: Confirm gauge fitment (2-1/16″ vs 2-1/8″ or 60 mm) with your dashboard or pillar pod. Some kits rely on standard NPT threads for sensors.
- Upgrade Path: If you plan to expand, prefer kits that support additional sensors or easier upgrades to digital displays with data logging.
Frequently Asked Questions
- What is the difference between analog and digital boost gauges?
– Analog gauges provide a simple, durable reading with a needle, while digital gauges display exact numeric values and often support alarms and multiple display modes. - Is a dual gauge kit enough for engine monitoring?
– For basic monitoring, a dual boost and EGT kit covers essential wall-to-wall readings, but advanced builds may benefit from additional metrics like transmission temperature or AFR. - Do these gauges require professional installation?
– Installation ranges from straightforward to complex. Digital kits with multiple sensors may require more careful wiring; refer to the product manual for instructions. - Can I customize gauge colors to match my vehicle?
– Yes. Most kits offer multiple color modes and cycle options to coordinate with your dash lighting. - Will gauges affect engine performance?
– Gauges themselves do not affect performance; they provide data to help you manage boost and temperatures to protect the engine. - What maintenance is required for gauges?
– Periodic inspection of wiring, sensor seals, and mounting hardware helps maintain accuracy and prevent leaks or sensor failure.