Allstar Performance SB Chevy 1:1 Ratio Pulley Kit - High Performance Upgrade for Small Block Chevy Engines - Perfect for Racing, Street Performance & Engine Builds

Double groove aluminum pulley kits feature 6-5/8” diameter pulleys and include common 15/32” v-belts to work with block or head mounted Allstar power steering kits. Pulley kits are designed work with short style water pumps with a 5/8” shaft that measure 5-5/8” from block mount to hub face. Components also sold separately.