Longacre - SMI Elite Waterproof Gauge Panels + Tach
The next generation in instrumentation has arrived. Longacre Racing products is proud to introduce the all-new SMi™ Elite Waterproof Gauges. Engineered for wet and dirty environments, the SMi™ Elite Waterproof Gauges provide the absolute best in waterproof sealing. These elite gauges provide the most precise measurements on the market with unmatched resistance to vibration, heat, and moisture. Manufactured with IP-66 certified methods to be waterproof; dust tight and safe against powerful water jets.

• New waterproof design eliminates the need to remove gauges before you wash your car.
• LED backlit numbers and illuminated pointers.
• Custom set your warnings and brightness.
• Backlight changes color based on the warning.
• Panels are completely wired and ready for quick installation.
• Many panel combinations available to suit your specific racing needs.
• All sensors are included.
• New 2-5/8” tachometer available with high rpm, average low rpm, and average high rpm recall.
• New water pressure gauge option available.
• Legal in most sanctioning bodies, including IMCA.


Part # Description Price
15344572 2 Gauge - OP/WT + Tach $581.49 
15344573 3 Gauge - OP/WT/OT + Tach $726.99 
15344574 3 Gauge - OP/WT/FP - 15 psi + Tach $726.99 
15344577 4 Gauge - OP/WT/OT/FP - 15psi (Carburetor) + Tach $871.99 


Longacre AccuTech SMi 43500 - Temp Sensor 280º w/QD Lead & Manifold Fitting

Longacre AccuTech SMi 43505 - Temp Sensor 340º w/QD Lead & Manifold Fitting

Longacre AccuTech SMi 43510 - Electronic Pressure Sensor 0-15PSI

Longacre 43525 - SMi Pressure Sensor Adapter

Longacre AccuTech SMi 43520 - Electronic Pressure Sensor 0-100PSI

Longacre 43530 - SMi™ Pressure Sensor Wire

Longacre 43536 - SMi™ Temperature Sensor Wire Harness

Longacre 43534 - SMi™ Pressure Sensor Wire Harness 0-100 psi (Replacement)


Longacre - SMi Firewall Mounts for Pressure Sensors

Lefthander Chassis, Inc.
13750 Metric Rd. Roscoe, IL 61073
Phone (815) 389-9999   Fax (800) 779-6461
Return/Refund Policy - Privacy Policy
Office Hours:
8:30am - 5:00pm CST
Counter Hours:
Mon-Fri 9:00am - 5:00pm CST