The March Performance 7511 is a precision-machined billet aluminum crankshaft pulley designed specifically for Big Block Chevrolet engines. With a single-groove V-belt configuration, it provides reliable accessory drive for street and performance applications. This pulley is ideal for builds that require a clean, simple belt layout with consistent performance.

Key Features:

• Machined from 6061-T6 billet aluminum for strength and reduced weight
• Single-groove V-belt design for clean, reliable accessory drive
• Polished or clear-coated finish for corrosion resistance and show-ready appearance
• Designed to reduce belt slippage and improve alignment
• Direct fit for standard Big Block Chevy 3-bolt crank pulley pattern

Specifications:

• Pulley Type: Crankshaft
• Engine Compatibility: Big Block Chevy (396 / 427 / 454 / 502, etc.)
• Material: Billet Aluminum
• Finish: Polished or clear anodized
• Belt Type: V-belt
• Grooves: 1
• Mounting Pattern: 3-bolt

Applications:
Perfect for street rods, classic muscle cars, and performance Big Block Chevy engines that utilize a V-belt drive system. This pulley delivers both form and function with a lightweight, attractive design.