BBK Performance 1603 Underdrive Pulley Kit for 1988-1995 GM Full-Size Trucks

Upgrade the accessory drive on your 1988-1995 GM full-size truck with the BBK Performance 1603 underdrive pulley kit. Designed for small-block Chevy applications with 4.3L, 5.0L, or 5.7L engines, this performance-grade kit provides a direct-replacement solution for the factory pulley setup.

The kit includes three CNC-machined, natural-finish billet aluminum pulleys: crankshaft, water pump, and alternator. The polished aluminum construction delivers a clean appearance while providing a lightweight pulley solution for the accessory drive system.

A new 6-rib serpentine belt is required for installation and is not included. The replacement belt is approximately 91.5 inches long. Verify vehicle and engine application details before installation to ensure proper fitment.

BBK Performance part number 1603 is built for direct replacement installation and includes the three pulleys needed for the specified application. Professional installation is recommended when replacing the accessory drive components.

Features:

• Application: Fits 1988-1995 GM full-size trucks with 4.3L, 5.0L, or 5.7L small-block Chevy engines
• Kit Contents: Includes crankshaft, water pump, and alternator pulleys
• Material: Billet aluminum construction
• Finish: CNC-machined natural aluminum appearance
• Design: 6-rib serpentine underdrive pulley kit
• Fitment: Direct replacement
• Belt Requirement: Requires a new 6-rib serpentine belt approximately 91.5 inches long
• Belt Included: No