Complete Pulley Set – Includes matching crankshaft pulley and water pump pulley designed for Small Block Chevy engines using a short style water pump., Double V-Belt Design – Dual groove pulleys allow operation of two V-belts for reliable accessory drive performance in SBC engine setups., Satin Black Finish – Painted satin black finish provides a clean, classic engine compartment appearance while protecting the steel pulleys., Lightweight Steel Construction – Durable steel pulleys offer strength and reduced weight for dependable accessory drive operation., Short Water Pump Compatibility – Specifically designed for Small Block Chevy engines equipped with short style water pumps; may require minor shimming for precise belt alignment.