1987 GMC R2500 Jet Performance

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

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

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

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

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

JET Adjustable TBI Billet Fuel Pressure Regulators will guarantee that your fuel supply is metered for optimal mileage and maximized performance! Free shipping to all of USA!

Key Features:

• Jet Adjustable Fuel Pressure Regulator

JET Performance Underdrive Pulley Kits are manufactured from 1-piece billet aluminum. They will give you an additional 10-13 hp by reducing the drag placed your vehicle's engine to drive accessories such as A/C, power steering, and water pumps. The kits will slow down the accessories and will allow the engine to turn with less effort, increasing horsepower, fuel economy, and improving your acceleration. The pulleys will not effect adversely the operation of the accessories! The installation process is quick and simple. Free shipping to all of USA!

Key Features:

• Jet Underdrive Pulleys
• Two Pulleys
• Does Not Come W/ Serpentine Belt