; Mounts directly to the stock water pump location; Weighs 8.66 lbs; Eliminates bulky LS water pump with a more compact, cost- effective pump; Drive belt is eliminated to save horsepower, while providing maximum circulation for cooling efficiency during all driving conditions, especially while idling; Can be used with Moroso No. 63836 Alternator/Vacuum Pump Mount; Compatible with 12 and 16 volt systems; Draws normally with 12V (8-10 amps in a typical system), so it can be used on drag racing cars without an alternator; Requires the use of a Remote THermostat Housing such as part No. 63425 or 63426