A performance-oriented 160-degree thermostat designed for GM LS engines using Mr. Gasket water necks 2670, 2671, or 2672. Its brass and copper high-flow design ensures consistent opening at 160° regardless of engine RPM, preventing cycling and stabilizing temperatures in both traffic and high-load situations. Includes the correct rubber O-ring seal and an integrated pressure relief valve for dependable operation.

• Opening Temperature: 160°
• Construction: Brass/copper high-flow design
• Seal: Rubber O-ring included
• Pressure Relief Valve: Integrated
• Compatibility:
– 2004–2008 LS2 / LS3 / LS6 / LS7
– 1997–2003 LS engines (when used with Mr. Gasket 2670, 2671, 2672 water necks)