Performance experts know, making sure an engine is in the optimum temperature range is vital to horsepower. Too hot or too cold can cost precious horsepower. PRW’s thermostat housings are designed to help keep 5.7L, 6.0L, and 6.2L LS Series engines running right in that sweet spot. It’s an easy, affordable upgrade for your LS1, LS2, or LS3.

Official Release:

New PRW LS Thermostat & Water Neck Outlets

PRW introduces their new line of GM LS Series thermostats & water neck kits. Keep your engine at a constant temperature with PRW’s thermostats. It regulates your engine by allowing it to heat up quickly and then keeping it at 82-degrees C/180-degrees F.

When the coolant rises to set the temperature, the thermostat begins to open, permitting fluid to flow through the radiator preventing your engine from overheating. Engines run their best when set at a regulated temperature. The water necks come in two different finishes including as-cast & polished.

These housings ultimately help you locate your radiator hose in the correct direction; You also have the option to stylize the top of your engine. The water neck outlets are all set at a 90-degree angle. Applications for the GM LS Series include the 5.7L, 6.0L, & 6.2L.

Features:

• Help you locate your radiator hose in the correct direction
• Gives you the option to add style to your engine
• Available for LS1, LS2, and LS3