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 101 - 125 of 241

Hypertech ThermoMaster Computer Chips 121202

Hypertech ThermoMaster Computer Chips 121202

Hypertech ThermoMaster Computer Chips 121202

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

Part Number: HYP-121202

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 - 121431

Hypertech Street Runner Power Chips for 1991 BERETTA, CORSICA - 121431

Hypertech Street Runner Power Chips for 1991 BERETTA, CORSICA - 121431

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

Part Number: HYP-121431

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 S10, SONOMA - 151062

Hypertech ThermoMaster Computer Chips for 1991 S10, SONOMA - 151062

Hypertech ThermoMaster Computer Chips for 1991 S10, SONOMA - 151062

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

Part Number: HYP-151062

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 CAPRICE - 121451

Hypertech Street Runner Power Chips for 1991 CAPRICE - 121451

Hypertech Street Runner Power Chips for 1991 CAPRICE - 121451

Computer Chip/Module, Street Runner, Chevy, Each

Part Number: HYP-121451

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

Hypertech Street Runner Power Chips 121071

Hypertech Street Runner Power Chips 121071

Hypertech Street Runner Power Chips 121071

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

Part Number: HYP-121071

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 121092

Hypertech ThermoMaster Computer Chips 121092

Hypertech ThermoMaster Computer Chips 121092

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

Part Number: HYP-121092

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 - 121422

Hypertech ThermoMaster Computer Chips for 1991 CAVALIER, SUNBIRD - 121422

Hypertech ThermoMaster Computer Chips for 1991 CAVALIER, SUNBIRD - 121422

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

Part Number: HYP-121422

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 121502

Hypertech ThermoMaster Computer Chips 121502

Hypertech ThermoMaster Computer Chips 121502

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

Part Number: HYP-121502

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 24, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 24, 2026 if ordered today

JET Six Pack Performance Chips for 1991 CAMARO, FIREBIRD - 191126P

Made in the USA

JET Six Pack Performance Chips for 1991 CAMARO, FIREBIRD - 191126P

JET Six Pack Performance Chips for 1991 CAMARO, FIREBIRD - 191126P

Computer Chip/Module, Six Pack, Chevy, Pontiac, Each

Part Number: JET-191126P

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 CAMARO, FIREBIRD - 191106P

Made in the USA

JET Six Pack Performance Chips for 1991 CAMARO, FIREBIRD - 191106P

JET Six Pack Performance Chips for 1991 CAMARO, FIREBIRD - 191106P

Computer Chip/Module, Six Pack, Chevy, Pontiac, Each

Part Number: JET-191106P

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 - 19112

Made in the USA

JET Stage 1 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19112

JET Stage 1 Computer Chips/Modules for 1991 CAMARO, FIREBIRD - 19112

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

Part Number: JET-19112

1.0 out of 5 stars ( 1 )

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 - 19107S

Made in the USA

JET Stage 2 Computer Chips/Modules for 1991 BERETTA - 19107S

JET Stage 2 Computer Chips/Modules for 1991 BERETTA - 19107S

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

Part Number: JET-19107S

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 CAMARO, FIREBIRD - 191146P

Made in the USA

JET Six Pack Performance Chips for 1991 CAMARO, FIREBIRD - 191146P

JET Six Pack Performance Chips for 1991 CAMARO, FIREBIRD - 191146P

Computer Chip/Module, Six Pack, Chevy, Pontiac, Each

Part Number: JET-191146P

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

...Loading

Estimated Ship Date: Jul 13, 2026 if ordered today

JET Powr-Shift Computer Chips/Modules 29118PS

Made in the USA

JET Powr-Shift Computer Chips/Modules 29118PS

JET Powr-Shift Computer Chips/Modules 29118PS

Computer Chip/Module, Powr-Shift, Chevy, Each

Part Number: JET-29118PS

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 291176P

Made in the USA

JET Six Pack Performance Chips 291176P

JET Six Pack Performance Chips 291176P

Computer Chip/Module, Six Pack, Chevy, GMC, C/K-Series Pickup, Each

Part Number: JET-291176P

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 S10, SONOMA - 29111

Made in the USA

JET Stage 1 Computer Chips/Modules for 1991 S10, SONOMA - 29111

JET Stage 1 Computer Chips/Modules for 1991 S10, SONOMA - 29111

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

Part Number: JET-29111

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 CORVETTE - 19115S

Made in the USA

JET Stage 2 Computer Chips/Modules for 1991 CORVETTE - 19115S

JET Stage 2 Computer Chips/Modules for 1991 CORVETTE - 19115S

Computer Chip/Module, Stage 2, Chevy, Each

Part Number: JET-19115S

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 CAVALIER - 191036P

Made in the USA

JET Six Pack Performance Chips for 1991 CAVALIER - 191036P

JET Six Pack Performance Chips for 1991 CAVALIER - 191036P

Computer Chip/Module, Six Pack, Each

Part Number: JET-191036P

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 291186P

Made in the USA

JET Six Pack Performance Chips 291186P

JET Six Pack Performance Chips 291186P

Computer Chip/Module, Six Pack, Chevy, 454 SS Pickup, Each

Part Number: JET-291186P

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 291066P

Made in the USA

JET Six Pack Performance Chips 291066P

JET Six Pack Performance Chips 291066P

Computer Chip/Module, Six Pack, Chevy, GMC, Each

Part Number: JET-291066P

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 CORVETTE - 19116

Made in the USA

JET Stage 1 Computer Chips/Modules for 1991 CORVETTE - 19116

JET Stage 1 Computer Chips/Modules for 1991 CORVETTE - 19116

Computer Chip/Module, Stage 1, Chevy, Each

Part Number: JET-19116

2.0 out of 5 stars ( 1 )

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 CAVALIER - 19103S

Made in the USA

JET Stage 2 Computer Chips/Modules for 1991 CAVALIER - 19103S

JET Stage 2 Computer Chips/Modules for 1991 CAVALIER - 19103S

Computer Chip/Module, Stage 2, Chevy, Each

Part Number: JET-19103S

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 S10, SONOMA - 29112

Made in the USA

JET Stage 1 Computer Chips/Modules for 1991 S10, SONOMA - 29112

JET Stage 1 Computer Chips/Modules for 1991 S10, SONOMA - 29112

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

Part Number: JET-29112

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 BERETTA, CORSICA - 121402

Hypertech ThermoMaster Computer Chips for 1991 BERETTA, CORSICA - 121402

Hypertech ThermoMaster Computer Chips for 1991 BERETTA, CORSICA - 121402

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

Part Number: HYP-121402

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 - 151622

Hypertech ThermoMaster Computer Chips for 1991 BERETTA - 151622

Hypertech ThermoMaster Computer Chips for 1991 BERETTA - 151622

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

Part Number: HYP-151622

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 5 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