Chevy Small Block Serpentine Conversion Alternator Only - Long Water Pump (LWP) (283-302-305-350-400 CID) The BEAST™ 8 Track System is the highest quality serpentine conversion kit for Chevy small block engines with long water pumps (LWP) for alternator only applications. Our V-belt pulleys are made using an 8-track design rather than the standard 6-tracks. This provides additional traction to the serpentine belt and increases power to the serpentine system by up to 30%. Mounts alternator on the passenger side in a mid-mount configuration. Uses standard Chevy long water pump.