TRD 4AGE 0.8mm Metal Headgasket (16V)
Genuine TRD 0.8mm Headgasket 82.5mm Bore Suits 16V 4AG and 4AGZE Increases compression ratio about half a point (0.5) Great for fine tuning static compression ratio Best to order these with other items - they require their own box to protect them which makes shipping the head gaskets by themselves a bit pricey. No matter if you have a high dollar race engine or you simply have the head off of your street engine for service, consider using this TRD gasket to give a little more "pop". A normal OEM type gasket has a compressed height of 1.2mm - this metal gasket will be just under 0.8mm when compressed. This small difference in compressed height will result in a half point increase in compression ratio (0.5). If you are on a stock ECU this will give you a slight increase in torque and power at all RPM's. With a standalone, the gains can be even greater. Please be aware that while metal gaskets are extremely durable and resistant to blowing out under extreme loads (N/A o