GM LS1 & LS2 Hi-Flow Thermostat, Made from Copper/Steel
LS1 & LS2 - HI FLOW THERMOSTAT 160 DEGF 71 DEG C
LS1 & LS2 - HI FLOW THERMOSTAT 180 DEGF 81 DEG C
The Aeroflow Performance range of GM LS thermostats are available in two temperatures that are lower than the factory units. Reducing the temperature which an engine runs will make more power through better thermal and volumetric efficiency.
This is a direct drop in with no modifications needed and includes the rubber seal.
Replacement Rubber Gasket to Suit GM LS1 and LS2 (53.9mm O.D.)
AF59-1143
LS1 & LS2 - HI FLOW THERMOSTAT 160 DEGF 71 DEG C
LS1 & LS2 - HI FLOW THERMOSTAT 180 DEGF 81 DEG C
The Aeroflow Performance range of GM LS thermostats are available in two temperatures that are lower than the factory units. Reducing the temperature which an engine runs will make more power through better thermal and volumetric efficiency.
This is a direct drop in with no modifications needed and includes the rubber seal.
Replacement Rubber Gasket to Suit GM LS1 and LS2 (53.9mm O.D.)
AF59-1143
LS1 & LS2 - HI FLOW THERMOSTAT 160 DEGF 71 DEG C
LS1 & LS2 - HI FLOW THERMOSTAT 180 DEGF 81 DEG C
The Aeroflow Performance range of GM LS thermostats are available in two temperatures that are lower than the factory units. Reducing the temperature which an engine runs will make more power through better thermal and volumetric efficiency.
This is a direct drop in with no modifications needed and includes the rubber seal.
Replacement Rubber Gasket to Suit GM LS1 and LS2 (53.9mm O.D.)
AF59-1143
