Big Block Conv. Kit

The Big Block Conversion Kit by March Performance is a precision-engineered accessory specifically designed for big block engine builders and enthusiasts who demand reliable belt-drive compatibility with their big block powerplants. This kit is ideal for those upgrading existing carbureted or fuel-injected big block engines or retrofitting vintage iron with modern serpentine belt systems.

Built for durability and fitment quality, the Big Block Conversion Kit streamlines the integration of factory or aftermarket accessories without the need for custom fabrication. It features precision-machined components that maintain proper belt tension, pulley alignment, and load distribution across all engine-driven accessories, including alternator, water pump, and power steering pump.

This kit is particularly beneficial for mechanics and engine builders looking for a professional-grade installation solution. It includes all necessary brackets, fasteners, and hardware, ensuring a mechanically sound installation that accounts for the unique crankshaft harmonic balancer dimensions and bolt patterns found on big block platforms.