LS SERIES MECHANICAL SERPENT

Mechanical water pump for GM LSx engines. Features higher flow with a 4-inch impeller, designed for stock reverse rotation, serpentine style applications. Suitable for all street or racing applications. Includes a large Chevrolet bearing and seal pack for reliability, show-quality machined finish, and stainless steel hardware. Pulley diameter is 4.95 inches. Billet body and impeller ensure tight clearances for excellent flow. Low pressure ports for heater and bypass connections. Uses 'early style' LS thermostat (circa 2009). Maximum operating RPM: 7000. Offers 5 to 7 GPM higher off-idle flow than competitors. Pump weighs 11.6 lbs.