Brand New Chrome Steel Pulley kit. This kit will work on all Small Block Chevy Motors With a "SHORT" water pump. Our Kit includes (1) Chrome 1 Groove Water Pump Pulley. This Water pump pulley is 7" diameter and is 2-3/4" Deep Measuring From Front To Back. (1) Chrome 1 Groove Crank Pulley. This crank pulley is 6-5/8" diameter. This kit will not work on early 265-283 engines with riveted on pulleys and also Will not fit Corvette water pumps or early stock GM trucks. Perfect for your off road, rock crawler, muscle car, street rod, Hot Rod, Rat Rod, Gasser, dune buggy, or sand rail project.