- Free Shipping
- Best Price Guarantee
- 30 Days No-Hassle Returns
1989 GMC C1500 Performance Chips
-
JET 6 Pack Performance Chips will work to maximize your vehicle's performance, by giving you gains in horsepower and torque! Free shipping to all of USA!
Key Features:- 6 Pak Chip Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 5.0L V8 GAS
$242.96 -
JET Stage 2 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Performance Upgrade Stage 2 Computer Chip
- 50 State Legal
- Requires Use Of 91 Octane Fuel/180 Degree Thermostat/Free Flow Exhaust
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 5.0L V8 GAS
$131.21 -
JET 6 Pack Performance Chips will work to maximize your vehicle's performance, by giving you gains in horsepower and torque! Free shipping to all of USA!
Key Features:- 6 Pak Chip Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 5.7L V8 GAS
$242.96 -
JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Performance Upgrade Stage 1 Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 5.7L V8 GAS
$123.74 -
JET Stage 2 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Performance Upgrade Stage 2 Computer Chip
- 50 State Legal
- Requires Use Of 91 Octane Fuel/180 Degree Thermostat/Free Flow Exhaust
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 5.7L V8 GAS
$131.21 -
JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Performance Upgrade Stage 1 Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 5.7L V8 GAS
$123.74 -
JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Performance Upgrade Stage 1 Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 4.3L V6 GAS
$123.74 -
JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Performance Upgrade Stage 1 Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 4.3L V6 GAS
$123.74 -
JET Stage 1 Computer Chips/Modules will unleash the true high-performance potential of your vehicle's engine and completely remove the dull factory settings! The modules will work to truly optimize your air/fuel ratio, spark timing, transmission tuning and a variety of other parameters for maximized horsepower and torque! They are available in 2 different styles : Stage 1 is designed to work with original stock engines, while Stage 2 is designed to work with modified motors with performance air intakes, headers or exhaust systems already installed. The modules are 50-state legal and are backed by a Lifetime Warranty. Free shipping to all of USA!
Key Features:- Jet Performance Upgrade Stage 1 Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 4.3L V6 GAS
$123.74 -
JET 6 Pack Performance Chips will work to maximize your vehicle's performance, by giving you gains in horsepower and torque! Free shipping to all of USA!
Key Features:- 6 Pak Chip Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 4.3L V6 GAS
$242.96 -
JET 6 Pack Performance Chips will work to maximize your vehicle's performance, by giving you gains in horsepower and torque! Free shipping to all of USA!
Key Features:- 6 Pak Chip Computer Chip
- 50 State Legal
Fitment:
1989 GMC C1500 Sierra, Sierra SLE, Sierra SLX / 5.0L V8 GAS
$242.96 -
Key Features:
- ThermoMaster Power Chip
- California Model Only
- w/Overdrive
Fitment:
1989 GMC C1500 4.3L V6 GAS / Automatic Trans
$146.28 -
Key Features:
- ThermoMaster Power Chip
- California Model Only
- w/Overdrive
Fitment:
1989 GMC C1500 5.0L V8 GAS
$146.28 -
Key Features:
- ThermoMaster Power Chip
- TH400 Transmission
Fitment:
1989 GMC C1500 5.0L V8 GAS
$146.28 -
Key Features:
- Street Runner Power Chip
Fitment:
1989 GMC C1500 5.0L V8 GAS
$138.29 -
Key Features:
- ThermoMaster Power Chip
Fitment:
1989 GMC C1500 5.0L V8 GAS
$146.28 -
Key Features:
- Street Runner Power Chip
- California Model Only
- w/Overdrive
Fitment:
1989 GMC C1500 5.7L V8 GAS
$138.29 -
Key Features:
- Street Runner Power Chip
- TH400 Transmission
Fitment:
1989 GMC C1500 5.7L V8 GAS
$138.29 -
Key Features:
- Street Runner Power Chip
- 4 Speed Model Only
Fitment:
1989 GMC C1500 5.7L V8 GAS
$138.29 -
Key Features:
- ThermoMaster Power Chip
- 4 Speed Model Only
Fitment:
1989 GMC C1500 5.7L V8 GAS
$146.28