PSC Crankshaft Pulley 3.125" Serpentine 15% Reduction Small Block GM PP3400

Crankshaft pulley 3.125" serpentine 15% reduction small block GM.

These PSC serpentine pulleys are built for Small Block GM engines and designed to keep your accessory drive running smooth and efficient. Whether you're dialing in reduction for performance or just want a clean, reliable setup, these pulleys deliver. Precision-machined for a perfect fit, they're tough enough for street builds and custom projects alike.

• Part number: PP3400
• Pulley Type: Crankshaft; Diameter: 3.125"; Reduction: 15% Reduction