LEXUS LS400 1UZ 1UZFE Non VVTI THERMOBLOC Thermal inlet Housing gasket Set

You are buying an Inlet Housing Gaskets 

Inlet air temperature is always the enemy in performance tuning; heat transfer via conduction from the head is the primary source of heat soak in aluminium inlet manifolds, ThermoBloc is the number one method of massively reducing heat soak and is ideal for all performance vehicles especially race vehicles where there is a period of engine running prior to the start of a race. 

These are not just a copy of a gasket this has been drawn in CAD and CNC cut for a perfect fit. 

1UZFE Non VVTI Engine Only