This is a direct-fit, bolt-on Flex-a-lite® S-Blade dual electric-fan system for  ’01-’05 Chevrolet and GMC trucks with diesel engines. Dyno tests show a gain of up to 27 horsepower and 34 lbs-ft. of torque while also improving fuel economy by replacing your stock clutch fan assembly with this dual electric fan system. This system features two 15-inch electric fans and a Flex-a-lite Variable Speed Controller that varies the fan speed from 60-100 percent, depending on radiator temperature. These powerful fans move up to 6,000 cfm of airflow!

Features:

• Direct-fit, bolt-on design
• Up to 6,000 cfm of airflow
• Up to 27 horsepower and 34 lbs-ft. of torque
• Quicker engine warm up
• Approximately 4-hour installation time
• Variable Speed Controller with A/C relay

Includes: 

• Flex-A-Lite Full Size Electrical Fan

Install Instructions