A 52mm mechanical boost gauge reading vacuum to -30 inHg and boost to 30 psi, with a bold, LED-backlit face. The smoked lens darkens when the ignition is off for a clean, stealthy look. Supplied with vacuum hose, multi-size tee fitting, bezel and bracket for easy installation, and individually checked for correct calibration.
Specifications
| Type | Mechanical Boost Gauge |
| Diameter | 52 mm |
| Range | -30 inHg vacuum to 30 psi boost |
| Backlighting | LED (dims at night) |
| Lens | Smoked (darkens when off) |
| Included | Vacuum hose, tee fitting, bezel, bracket |
| Part Number | 3730 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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