Valve sheets maintain air tightness with the valves and generally require wear resistance. With the engine under high load, the cooling performance of the valve sheets become important and is greatly concerned at high engine outputs. To efficiently transfer the heat away from the valve sheets, these Bery Rings must be a copper alloy since copper has a high thermal conductivity. Tomei Bery Rings are made of beryllium copper alloy which can reduce the heat of valve sheets by transferring the heat to to the cylinder head under extreme engine conditions.
NOTE: This kit is 16 pcs for both INTAKE and EXHAUST side.
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|1989 - 1998||Nissan||180SX|
|1994 - 1998||Nissan||200SX (Non-US)|
|2000 - 2002||Nissan||200SX (Non-US)|
|1989 - 1993||Nissan||Silvia|
|1994 - 1998||Nissan||Silvia|
|1999 - 2002||Nissan||Silvia|
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