1988 - 2003 Chevy Trucks Power & Amp Series Pulley Kit

6 Rib Serpentine | 2 Pulley Kit | External Alternator Fan | Black

Upgrade your Chevy truck’s serpentine drive with this March Performance “Power & Amp Series” billet pulley kit, precision-engineered for 1988–2003 Chevrolet 4.3 L, 5.0 L, and 5.7 L engines equipped with external alternator fans. This 2-piece kit replaces the factory steel pulleys with lightweight CNC-machined 6061-T6 billet aluminum components, improving alternator performance and belt stability while reducing rotating mass for smoother operation and enhanced reliability. 

Fits Factory Applications:

1988 - 2003 Chevrolet C/K & Silverado 1500, 2500 & 3500 Trucks with:

• 4.3L V6 (262 ci)
• 5.0L V8 (305 ci)
• 5.7L V8 (350 ci)

**Designed for models using external alternator fan 

Kit Includes:

4311-08 6-rib Crank Pulley (5.9")

110-08   Single 6-rib Alternator Pulley (1.75")

All Mounting Hardware

Optional Accessories for 1988-1995 Engines 

Optional Power-Steering Pulley : 610