Red Armstrong ECU Performance Chip – “R93” (Red Label)

This vintage ECU chip is labeled “R93” and is intended for 1986–1987 Turbo Buick ECMs. Ideal for collectors, nostalgic builds, or those experimenting with older chip calibrations.

🟡 Yellow Dot – 70% Off Retail (Limited Info / Higher Risk)

🔧 Compatibility:
• 1986–1987 Buick Grand National / Turbo T / T-Type ECM
• Older aftermarket chip – intended for stock ECM applications

📦 Includes: Chip in carrier (as pictured)

Condition Notes:
• Functional status untested – sold as-is
• Limited tuning details available
• Good for collectors, period-correct builds, or chip testing

Why You Want It:
Perfect if you’re collecting old-school Buick chips, want to experiment with different street tunes, or just want a retro piece of Turbo Buick history.

⚠️ Important Disclaimer:
All ECU chips are sold as-is, untested, and without performance guarantees. No returns or exchanges. Buyer is responsible for verifying compatibility with their ECM and setup.