GM Big Block Pulley Kit

This GM Big Block Pulley Kit is a comprehensive solution designed to upgrade or refresh the accessory drive system on your Big Block Chevrolet (BBC) engine. This all-inclusive pulley system provides all the essential components for a complete and cohesive installation, ensuring proper belt alignment, tension, and optimal performance of your engine’s accessories.

The kit typically includes:

Water Pump Pulley: This component is crucial for driving the water pump, maintaining engine cooling. Depending on your engine and application, this could be a short water pump pulley or a long water pump pulley, designed to match the specific water pump type on your Big Block GM engine.
Balancer Pulley (Crankshaft Pulley): This pulley mounts to the engine’s harmonic balancer and serves as the primary drive for all the accessory belts. It’s often a double-groove crankshaft pulley or triple-groove balancer pulley to accommodate multiple V-belts for various accessories.
Alternator Bracket: A precisely engineered BBC alternator bracket is included to securely mount your alternator to the engine, ensuring correct belt alignment and tension for efficient charging. This GM Big Block alternator mount is critical for the stability of your charging system.
V-Belts: The kit comes with the necessary V-belts (typically two or more, depending on the accessory configuration) pre-selected to match the included pulleys and your specific Big Block application. These automotive V-belts are designed for reliable power transfer to the water pump, alternator, and any other driven accessories.
Mounting Hardware: All essential mounting hardware, such as bolts, washers, and spacers, is provided to facilitate a straightforward and secure installation of all components. This ensures a proper fit and finish for your Big Block Chevy accessory drive.
This GM Big Block accessory drive kit is ideal for engine builders, restorers, or enthusiasts looking to refresh their engine’s front-end accessory system. It’s a convenient way to ensure compatibility and simplify the process of setting up your BBC charging system and cooling system drives. When purchasing, it’s advisable to confirm compatibility with your specific Big Block Chevy engine year and application (e.g., short or long water pump setup).