Lingenfelter offers this premium quality 160 degree thermostat for the 2004 - 2008 General Motors 4.8 L, 5.3 L, 5.7 L,6.0 L, 6.2 L, LS1, LS3, LS6, LQ4,LM7 engine families. This is a direct drop in with no modifications needed and includes the rubber seal. Attention GTO owners! Some 2004 GTO's have the early style thermostat.

Shipping $4.99.

Thermostat Comparison Click to enlarge