1988 - 1992 Chevy Truck Crankshaft & Alternator Pulley Kit

2.8L & 3.4L

Unlock smoother performance and upgraded style with the March Performance Crankshaft & Alternator Pulley Kit, designed specifically for 1988–1992 Chevy Trucks with 2.8L and 3.4L engines. This precision-balanced set delivers reliability, efficiency, and a clean, high-performance look for your engine bay.

The underdrive crankshaft pulley (4 7/8" diameter) helps reduce parasitic drag for improved throttle response and horsepower, while the 2.75-inch alternator pulley ensures optimal charging performance. Both components feature a durable black powder coat finish for corrosion resistance and a sleek appearance.

Complete with all necessary mounting hardware, this pulley kit offers the perfect blend of performance and style — built to last and backed by March Performance’s lifetime warranty.

• Underdrive (4 7/8" diameter) Crankshaft
• 2.75" Diameter Alternator Pulley
• Black Powder Coated
• Mounting Hardware