Weiand's light weight, performance aluminum mechanical ActionPlus pumps give a weight saving of 30% to 50% over stock castiron pumps. These pumps have been completely redesigned for better performance and utilize our exclusive "twisted snout" look and feature a premium quality bearing and seal that have twice the load capacity of stock pumps. Weiand""s exclusive housing counterbore keeps the bearing form "walking" out. All pumps are designed with the necessary bracket bosses and connections to fit popular street applications. Features: Lightweight aluminum CNC Machined Heavy duty shaft with 5/8" pilot Six-blade stamped steel anti-cavitation impellers for maximum water flow necessary on street applications 100% leak tested The BEST value in water pumps on the market. Unbelievably LOW prices New twisted snout design for updated style Permanent mold castings for improved appearance Extra Heavy Duty 1/2" thick pulley hubs for maximum durability are dual drilled to fit more applications Zinc plated back covers and hardware for long life and corrosion resistancePit Stop USA offers Weiand Action Plus Aluminum Water Pump - High-Volume - Aluminum - Natural - SB Chevy (Long) 9240 at low everyday prices. Be sure to check out all of our products from Weiand including Weiand Small Block Chevy Water Pumps.