1987 GMC R2500 Jet Performance

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

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