1973-1991 Chevy GMC Truck Tachometer Circuit Board 5000/6000 RPM

Product Description

1973-1991 Chevy GMC Truck Tachometer Circuit Board

Restore the precision of your factory dashboard with this premium replacement tachometer circuit board. Engineered for 1973-1987 Chevy/GMC C/K pickups and 1973-1991 Suburban, Blazer, and Jimmy models, this board fixes common issues like bouncy needles, inaccurate readings, or complete gauge failure. Each unit ships pre-calibrated to your specific engine and RPM requirements.

Fitment:

• Chevrolet & GMC C/K Pickups: 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987
• Suburban, Blazer, & Jimmy: 1973-1991 (R/V Square Body style)
• Compatibility: Direct fit for gas engines including V6, Inline-6, and V8 (305, 350, 454)

Product Details:

• Supports both 5000 RPM and 6000 RPM factory tachometer faces
• No soldering required: Direct bolt-in replacement using original hardware
• Manufactured in the USA with modern, high-grade automotive components
• Designed to meet or exceed original factory specifications
• Includes a lifetime warranty

Calibration Info Required: To ensure 100% accuracy, please include your engine type (e.g., V8 or 6-Cylinder) and the maximum RPM shown on your gauge face (5000 or 6000) in the order "Add you information" field above.

Installation Notes & Limitations:

• Intended for factory analog tachometers only
• Bolts directly in place of the original green or tan circuit board
• Includes detailed installation instructions
• Not compatible with Diesel (4000 RPM) applications or aftermarket clusters