Hypertech ThermoMaster Computer Chip 121382 - 91 Corvette 350 TPI

Hypertech ThermoMaster Power Chips replace your stock PROM, which holds the settings for fuel flow and spark advance. This is a Stage 2 chip that optimizes the spark and fuel curves for max performance. The ThermoMaster Power Chip is designed for use with a 160 deg. thermostat and premium pump gas (91 Octane or better). Maximize the performance of your ride with a Hypertech ThermoMaster Power Chip!

• Computer Chip
• ThermoMaster
• Automatic Transmission
• TPI
• Small Block Chevy
• Chevy Corvette 1991
• Sold as each
• MPN: 121382

 State Restrictions: CA