1985 - 1987 Chevy Small Block Power & Amp Series Pulley Kit

3 Pulley Kit | 6 Rib Serpentine

Upgrade your 1985–1987 Chevy 305–350 small block with this March Performance “Power & Amp Series” billet pulley kit, designed for Camaro, Firebird, Monte Carlo, and GM trucks. This 3-piece kit replaces factory steel pulleys with precision CNC-machined 6061-T6 billet aluminum components finished in black powder coat, improving alternator efficiency, belt performance, and overall accessory drive balance. Engineered for perfect factory alignment, this kit combines reliability, performance, and a clean, professional appearance under the hood.

Applications:

• 1985 - 1987 Chevrolet Camaro (305/350 ci) 
• 1985 - 1987 Pontiac Firebird (305/350 ci) 
• 1985 - 1987 Chevrolet Monte Carlo (305/350 ci) 
• 1985 - 1987 Chevrolet & GMC Trucks (305/350 ci) 

Kit Includes:

4031 Single 6-rib Crank Pulley (5.8")

4032 Single 6-rib Water Pump Pulley (6.25")

112   Single 6-rib Alternator Pulley (2.625")

All Mounting Hardware

Optional Power-Steering Pulley Available : 522

Optional Alternator Fan Available : 221

Optional Water Pump Pulley Cover Available : 314