Car Care Month - We Have All The Parts, Tools & Expertise You Need!

Make/Model Search
Make/Engine Search

Brands
Savings Central
Contact Us
Help Center
1-800-230-3030

Call Us
My Garage
Wish List
Order Status & Returns

Welcome
My Account

Order Status

Wish List
Savings Central
Shop by Brand
Shop Your Passion
- Shop Your Passion
- Truck / SUV
  
  Jeep®
  
  Restoration
  
  Stock Replacement
  
  Late Model Muscle
  
  Tools
  
  Gifts, Clothing, & More
  
  Circle Track
  
  Street Rod
  
  Powersports
  
  Paint & Body
  
  Marine
  
  Jr Dragster
Gift Cards
My Garage
See Our Catalogs
News & Events
Career Opportunities
Contact Us
Help Center
1-800-230-3030 1-800-230-3030
New Products
Shop by Make/Model
Sign In

Search Make/Model

Search Make/Engine

Sign In

Welcome
Account Dashboard
Profile
Order Status & Returns
Buy It Again
Wish List
Rewards Program
Gift Cards & Summit Bucks
Address Book
My Garage Settings
Email Preferences
Text Notifications
My Reviews
My Questions
Catalogs
Tax Exemption
Sign In

Celebrate Car Care Month With Savings!

$5 Off Your $100 Mobile App Purchase!

Filters

In Stock
- In Stock Items. Ships Today. (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (241) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (267) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Part Type
- Computer Chips and Modules (234) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Engine Management Systems (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Computers (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- Hypertech (124) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- JET Performance (109) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- FiTech Fuel Injection (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Holley (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- ACDelco (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Cardone Industries (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Edelbrock (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Painless Performance (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Engine
Price Range
Filter Options
- Made In USA (110)
- Stock Replacement (2)
Savings Central
- On Sale (2)
- Clearance (1)

Selected Filters

Filter Results by Vehicle

Loading...

Home
Ignitions & Electrical
Computers, Chips & Programmers
1991 CHEVROLET
Product Results

Availability

- In Stock Items. Ships Today. (13) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (241) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (267) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Make/Model
Part Type
- Computer Chips and Modules (234) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Engine Management Systems (5) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Computers (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Brand
- Hypertech (124) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- JET Performance (109) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- FiTech Fuel Injection (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Holley (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- ACDelco (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Cardone Industries (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Edelbrock (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Painless Performance (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Engine
Price Range
Filter Options
- Made In USA (110)
- Stock Replacement (2)
Savings Central
- On Sale (2)
- Clearance (1)

1991 CHEVROLET Computers, Chips & Programmers

Individual Parts

Part Groups

Results 51 - 75 of 241

JET Six Pack Performance Chips 291036P

Made in the USA

JET Six Pack Performance Chips 291036P

JET Six Pack Performance Chips 291036P

Computer Chip/Module, Six Pack, Each

Part Number: JET-291036P

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Stage 2 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19118S

Made in the USA

JET Stage 2 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19118S

JET Stage 2 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19118S

Computer Chip/Module, Stage 2, Chevy, Pontiac, Each

Part Number: JET-19118S

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Stage 2 Computer Chips/Modules for 1991 BERETTA, CORSICA - 19102S

Made in the USA

JET Stage 2 Computer Chips/Modules for 1991 BERETTA, CORSICA - 19102S

JET Stage 2 Computer Chips/Modules for 1991 BERETTA, CORSICA - 19102S

Computer Chip/Module, Stage 2, Chevy, Beretta, Corsica, Each

Part Number: JET-19102S

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Stage 1 Computer Chips/Modules for 1991 CAVALIER - 19103

Made in the USA

JET Stage 1 Computer Chips/Modules for 1991 CAVALIER - 19103

JET Stage 1 Computer Chips/Modules for 1991 CAVALIER - 19103

Computer Chip/Module, Stage 1, Chevy, Each

Part Number: JET-19103

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Stage 2 Computer Chips/Modules 29116S

Made in the USA

JET Stage 2 Computer Chips/Modules 29116S

JET Stage 2 Computer Chips/Modules 29116S

Computer Chip/Module, Stage 2, Chevy, GMC, C/K-Series Pickup, Each

Part Number: JET-29116S

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Six Pack Performance Chips for 1991 BERETTA, CORSICA - 191016P

Made in the USA

JET Six Pack Performance Chips for 1991 BERETTA, CORSICA - 191016P

JET Six Pack Performance Chips for 1991 BERETTA, CORSICA - 191016P

Computer Chip/Module, Six Pack, Each

Part Number: JET-191016P

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Stage 1 Computer Chips/Modules 29107

Made in the USA

JET Stage 1 Computer Chips/Modules 29107

JET Stage 1 Computer Chips/Modules 29107

Computer Chip/Module, Stage 1, Chevy, GMC, SUV/Pickup, Each

Part Number: JET-29107

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Stage 1 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19113

Made in the USA

JET Stage 1 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19113

JET Stage 1 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19113

Computer Chip/Module, Stage 1, Chevy, Pontiac, Each

Part Number: JET-19113

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

Hypertech ThermoMaster Computer Chips for 1991 GRAND PRIX, LUMINA - 121492

Hypertech ThermoMaster Computer Chips for 1991 GRAND PRIX, LUMINA - 121492

Hypertech ThermoMaster Computer Chips for 1991 GRAND PRIX, LUMINA - 121492

Computer Chip/Module, ThermoMaster, Chevy, Pontiac, Each

Part Number: HYP-121492

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips for 1991 CORVETTE - 121392

Hypertech ThermoMaster Computer Chips for 1991 CORVETTE - 121392

Hypertech ThermoMaster Computer Chips for 1991 CORVETTE - 121392

Computer Chip/Module, ThermoMaster, Chevy, Each

Part Number: HYP-121392

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips for 1991 BERETTA, CORSICA - 151431

Hypertech Street Runner Power Chips for 1991 BERETTA, CORSICA - 151431

Hypertech Street Runner Power Chips for 1991 BERETTA, CORSICA - 151431

Computer Chip/Module, Street Runner, Chevy, Beretta, Corsica, Each

Part Number: HYP-151431

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips 151102

Hypertech Street Runner Power Chips 151102

Hypertech Street Runner Power Chips 151102

Computer Chip/Module, ThermoMaster, Chevy, GMC, Pickup, Each

Part Number: HYP-151102

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips 121021

Hypertech Street Runner Power Chips 121021

Hypertech Street Runner Power Chips 121021

Computer Chip/Module, Street Runner, Chevy, GMC, S-Series, SUV/Pickup, Each

Part Number: HYP-121021

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips for 1991 BERETTA, CORSICA - 121432

Hypertech ThermoMaster Computer Chips for 1991 BERETTA, CORSICA - 121432

Hypertech ThermoMaster Computer Chips for 1991 BERETTA, CORSICA - 121432

Computer Chip/Module, ThermoMaster, Chevy, Beretta, Corsica, Each

Part Number: HYP-121432

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips for 1991 CAMARO, FIREBIRD - 151321

Hypertech Street Runner Power Chips for 1991 CAMARO, FIREBIRD - 151321

Hypertech Street Runner Power Chips for 1991 CAMARO, FIREBIRD - 151321

Computer Chip/Module, Street Runner, Chevy, Pontiac, Each

Part Number: HYP-151321

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips for 1991 CAMARO, FIREBIRD - 121352

Hypertech ThermoMaster Computer Chips for 1991 CAMARO, FIREBIRD - 121352

Hypertech ThermoMaster Computer Chips for 1991 CAMARO, FIREBIRD - 121352

Computer Chip/Module, ThermoMaster, Chevy, Pontiac, Each

Part Number: HYP-121352

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips 121252

Hypertech ThermoMaster Computer Chips 121252

Hypertech ThermoMaster Computer Chips 121252

Computer Chip/Module, ThermoMaster, Chevy, GMC, Pickup, Each

Part Number: HYP-121252

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips for 1991 CAMARO, FIREBIRD - 121371

Hypertech Street Runner Power Chips for 1991 CAMARO, FIREBIRD - 121371

Hypertech Street Runner Power Chips for 1991 CAMARO, FIREBIRD - 121371

Computer Chip/Module, Street Runner, Chevy, Pontiac, Each

Part Number: HYP-121371

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips for 1991 ASTRO, SAFARI - 121582

Hypertech ThermoMaster Computer Chips for 1991 ASTRO, SAFARI - 121582

Hypertech ThermoMaster Computer Chips for 1991 ASTRO, SAFARI - 121582

Computer Chip/Module, ThermoMaster, Chevy, GMC, Astro/Safari, Each

Part Number: HYP-121582

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips for 1991 CAVALIER, SUNBIRD - 151412

Hypertech ThermoMaster Computer Chips for 1991 CAVALIER, SUNBIRD - 151412

Hypertech ThermoMaster Computer Chips for 1991 CAVALIER, SUNBIRD - 151412

Computer Chip/Module, ThermoMaster, Chevy, Pontiac, Each

Part Number: HYP-151412

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips for 1991 ASTRO, SAFARI - 121581

Hypertech Street Runner Power Chips for 1991 ASTRO, SAFARI - 121581

Hypertech Street Runner Power Chips for 1991 ASTRO, SAFARI - 121581

Computer Chip/Module, Street Runner, Chevy, GMC, Astro/Safari, Each

Part Number: HYP-121581

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips 121201

Hypertech Street Runner Power Chips 121201

Hypertech Street Runner Power Chips 121201

Computer Chip/Module, Street Runner, Chevy, GMC, Pickup, Each

Part Number: HYP-121201

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips 121101

Hypertech Street Runner Power Chips 121101

Hypertech Street Runner Power Chips 121101

Computer Chip/Module, Street Runner, Chevy, GMC, C/K-Series Pickup, Each

Part Number: HYP-121101

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips for 1991 LUMINA - 151512

Hypertech ThermoMaster Computer Chips for 1991 LUMINA - 151512

Hypertech ThermoMaster Computer Chips for 1991 LUMINA - 151512

Computer Chip/Module, ThermoMaster, Chevy, Each

Part Number: HYP-151512

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech ThermoMaster Computer Chips 121242

Hypertech ThermoMaster Computer Chips 121242

Hypertech ThermoMaster Computer Chips 121242

Computer Chip/Module, ThermoMaster, Chevy, GMC, Each

Part Number: HYP-121242

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Previous
1
2
3
4
5
6
7
8
9
10
Next

Previous
Page 3 of 10
Next

Modal Header

Contact us with questions.

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify

Stay Updated with Emails from Summit Racing

Never miss a sale on new parts, tools, and more!

= Required

First Name

Last Name

Email Address Email required

See Our Catalogs

News & Events

News & Events Home
OnAllCylinders (blog)
Calendar of Events
New Product Releases
Summit Racing News
News You Can Use
Featured Vehicles
Media Center
Sanctioning Bodies

Help

Help Center
Return Policy
Beat-A-Price Guarantee
Payment Options
Contact Us

Social

Facebook
X/Twitter
Instagram
Pinterest
YouTube
Podcast

About Summit

Corporate History
Retail Locations

My Account

Profile
Email Preferences
Order Status & Returns
Wish List
Address Book
My Reviews
My Questions
My Garage
Sign In

Career Opportunities

More

Summit Racing Credit Card
Gift Cards
Calculators & Tools
Promo Exclusions
Become an Affiliate
Summit Racing Rewards Program
Summit Racing Equipment Protection Plan

Terms of Use | Privacy and Security | Site Accessibility
Copyright 2026 by AUTOSALES, INCORPORATED
dba Summit Racing Equipment | Trademarks

Let's Build it Together^™

Modal Header