ECU PROM Chip — “JL55 Race 26°” (Aftermarket)

This ECU chip appears to be an aftermarket performance PROM labeled “JL55 Race 26°”, suggesting it was burned for 55 lb/hr injectors with approximately 26° of timing, oriented toward a race setup for the 1986–1987 Turbo Buick platform.

 🔴Red Dot – unknown calibration 

📦 Includes: Chip only (as pictured)

Condition Notes:

• Pins intact, no corrosion observed.

⚠️ Disclaimer:

T6P has not tested or verified the fuel, timing, or boost tables associated with this PROM. All items are sold as-is with no returns or exchanges. Buyer is responsible for verifying compatibility with their ECU.