This is a Double groove pulley designed for your Big Block Chevy 396 - 454 with a Long Water Pump. Constructed of thick gauge aluminum and with a high quality Polished Aluminum finish, this kit would be great addition to your project.
Black Pulleys Pulley BBC Big Block Chevy LWP 396-454 Long Water Pump Pulley Kit
Black Pulleys Pulley BBC Big Block Chevy LWP 396-454 Long Water Pump Pulley
BBC Big Block Chevy LWP Aluminum Water Pump & Crankshaft & Alternator Pulley Kit
Big Block Chevy LWP 2 Groove Water Pump 3 Groove Crankshaft Pulley Kit Chrome
Big Block Chevy LWP Aluminum 3 Triple Groove Crankshaft Pulley BBC 396 427 454
Water Pump Pulley 2 Groove For Big Block Chevy LWP 396 427 454 Chrome BBC