HYPERTECH 121381 Hypertech 121381 Street Runner Computer Chip for 1991 Chevy Corvette 350 TPI Automatic Transmission

Upgrade the performance calibration of your 1991 Chevrolet Corvette with the Hypertech Street Runner Computer Chip, part number 121381. Designed for Corvette models equipped with the small block Chevy 350 TPI engine and automatic transmission, this chip is engineered to modify selected engine-control parameters for a more responsive driving experience. It provides a vehicle-specific solution for enthusiasts seeking an aftermarket electronic performance upgrade without replacing the complete engine computer.
The Hypertech Street Runner chip is intended for the 1991 Corvette application listed and should be matched carefully to the vehicle’s engine, transmission, and factory electronics before installation. Proper compatibility is essential for reliable operation, so verify the original calibration and vehicle configuration against the product application. Installation should be completed according to the manufacturer’s instructions, with attention to safe handling of electronic components and correct seating within the computer module.
This Hypertech 121381 computer chip is sold as an individual unit and is designed for automatic-transmission applications only. It is not identified for use with manual-transmission vehicles or other engine combinations. The application is marked as state restricted in California, so confirm current emissions requirements and legal use before purchasing or installing. Professional installation or inspection is recommended when needed to help ensure the chip is installed correctly and the vehicle operates as intended.

Features:

• Brand: Hypertech

• Part Number: 121381

• Product Type: Street Runner computer performance chip

• Vehicle