TRD 4AGE 0.8mm Metal Headgasket (20V)
Genuine TRD 0.8mm Headgasket -82.5mm Bore-Suits 20V 4AGE Blacktop and Silvertop-Increases compression ratio about half a point (0.5) -Great for fine tuning static compression ratioNo 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 or Turbo), they are a little harder to get to seal than OEM style gaskets. That being said, most new cars have all metal gaskets like this. Just let your e