GM LS 160 - 180 Degree Thermostat for Holley Mid Mount and BTR Hyperdrive

A 160/180 degree thermostat fits Holley Mid Mount and BTR Hyperdrive for LS/LT engines, promoting earlier coolant flow and better cooling efficiency.

• The description claims a lower activation temperature allows coolant to flow through the engine earlier, maintaining lower temperatures.
• The description claims these thermostats will significantly lower high engine temperature produced by modified and upgraded engines.