Big Block Chevy Billet Aluminum Gilmer Belt Drive Pulley Kit - Compatible with BBC 427 454 Engines - High Performance Upgrade for Racing & Hot Rod Builds

This is a brand new big block Chevy 396 427 454 belt drive and pulley kit. For use with short style water pumps with up to a 5/8" shaft.Kit Contents:Billet aluminum water pump pulley Billet aluminum crankshaft pulley Chrome steel alternator pulley Cogged belt The cogged 1 1/2" wide "Gilmer" style belt prevents slippage. Water pump and crank pulleys are a 1:1 ratio. Must be used with the factory alternator position, alternator pulley has outside lips to help keep belt aligned. Crank pulley has V-belt groove that can be used to run power steering. Will not work with A/C equipped vehicles. Works with mechanical water pumps only (will not work with electric water pumps). Some applications may require a spacer for the crankshaft pulley.