MARCH PERFORMANCE 7140 March Performance 7140 High-Water-Flow Pulley Kit for Big Block Chevy with Long Water Pump

The March Performance 7140 Pulley Kit is designed for Big Block Chevy applications using a long water pump. This high-water-flow pulley set supports efficient accessory drive operation while providing a clean, coordinated appearance for engine compartments, restoration projects, and performance builds. The kit uses a three-groove V-belt configuration for compatible accessory-drive setups requiring dependable belt engagement and consistent pulley alignment.
The pulleys are manufactured from lightweight aluminum to help reduce unnecessary rotating mass while maintaining the durable construction needed for demanding automotive use. A clear powder-coat finish provides a clean, professional appearance and helps protect the aluminum surface during installation and regular service. This finish also makes the set suitable for builds where both functional performance and polished engine presentation are important.
Designed specifically around Big Block Chevy engines with a long water pump, the March Performance 7140 helps simplify the process of matching the water-pump and accessory-drive pulley arrangement. Confirm your engine configuration, water-pump style, belt routing, and accessory spacing before installation to ensure proper compatibility. Correct alignment and belt tension are essential for reliable operation and long component life.
This pulley kit is supplied as a coordinated set for builders, restorers, and enthusiasts seeking a purpose-built solution for a three-groove V-belt system. With its aluminum construction, clear powder-coat finish, and application-specific design, the March Performance 7140 offers a practical upgrade for compatible Big Block Chevy long-water-pump applications.

Features:

• Application: Designed for Big Block Chevy engines equipped with a long water pump

• Pulley configuration: Three-groove V-belt design for compatible accessory-drive systems

• Water-pump compatibility: Built for high-water-flow pulley applications

• Construction: Lightweight aluminum pulley set

• Finish: Clear powder coat for a clean appearance and added surface protection

• Brand and part number: March Performance 7140