OPGI.com works best with JavaScript enabled.
Early Black Friday! Save up to 20% off Restoration! - use code: BIGDEAL20W
  • As seen on
  • Motorhead Garage
  • Bitchin' Rides

New Vintage USA

Gauge Conversion, 1978-88 Monte Carlo, 6 Gauge, NVU Performance, Performance II

Vehicle Specific View fitment
Free Shipping!
Part# L241687
Mfg# 88321-01
Sold As Set
$846.99
List Price: $932.95
You Save $85.96

Arriving Soon

Color Variation

Due to variations in monitor settings, some colors on this page may appear slightly different from GM originals. In addition, due to color differences in the original GM dye lots, interior product colors may vary slightly.

Add To Wishlist 

Modernize Your Dash

Completely change the look of the dash and improve the readability of your instruments with this easy to install kit.

NVU gauge packages for your 78-88 Monte Carlo with the 6-gauge setup take your dash to the next level with features and styling you won't find anywhere else. Featuring our famous 3-1 gauges, completely change the look of the dash and improve the readability of your instruments with this easy to install kit. Kit includes gauges, temperature, pressure senders, AMP plugs, mounting bracket and hardware. Instruments can operate on stock or modified engines, including PCM controlled TPI, TBI and LS. PERFORMANCE II Series 3-1 gauges use NVU's exclusive Phoenix technology featuring fully programmable inputs, displays and high-tech OLED screens. Programmable speedometer is set up in minutes and can operate via any OE or aftermarket speed sender, PCM (computer) or GPS antenna. Programmable fuel gauge has virtually every setting for most fuel senders, no more dropping the tank. Tachometer has interface for easy set up to virtually and ignition system. Deadfronted (hidden) indicators with up to 6 lights come standard along with LED backlighting and lit pointers. Installation is easy with our new AMP plug connections, only 1 plug per gauge for all functions.

Kits includes: 78-88 Monte Carlo Mounting bracket 4-3/8" Speedometer (140 MPH) with water temp and oil pressure 4-3/8" Tachometer (8,000 RPM) with programmable fuel gauge and voltmeter Back clamps AMP plug connectors with color coded wiring harness Oil pressure sender (240-33 ohm) Temperature sender (NVU hi match) Hardware kit Bushing kit Detailed instructions

Notes

  • Will not fit sweep style dash.
  • Requires some minor dash trimming (not visible when installed, see installation instructions)
  • Not plug-and play, requires standard gauge wiring to plug (see installation instructions).
  • Speed sender may be required, check your application, not included in kit
  • This item is not eligible for any further discounts or promotional pricing.

Find Item In This Catalog

  • 2024 GM G-Body 1978-1988 29
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1978–1988 Chevrolet Monte Carlo black dial/blue and white digits
white dial/blue and black digits
  • Headshot of OPGI Employee
    Have a Question? Chat with an Expert or Call 1‑800‑243‑8355
    Mon‑Fri 8:00‑4:30 PT Experts are currently offline
  • Low Prices. Price Match Guarantee
  • GM Automotive Experts. We know car parts
  • Guaranteed Fitment. 100% factory accurate
  • Superior Selection. Largest selection of in-stock parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.