HEAD RELATED

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  • $800.00 - $1,200.00

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The function of which valve sheet is asked, is maintaining air tightness with a valve, and generally wear resistance is required. However, with the engine used by high rotation and high load, the cooling performance of a valve sheet becomes very important further, and it is greatly concerned with an engine output. When engine is high rotation and high load, it is impossible to achieve high output from the engine if cooling performance of the cylinder is low and knock limit does not become high, since the temperature of the circumference of a cylinder head rises unusually. In racing engine that temperature needed to be carefully controlled, how much you can cool the circumference of the sheet ring is the important issue, and the technique of using high heat conduction metal, such as copper for a sheet ring, has been taken. Copper has one of the highest thermal conductivities through all metal that enables receiving heat from cylinder and cool it down quickly by transmit the heat to the cylinder head. (Degree of heat conduction: 1.silver, 2.copper, 3.gold, 4.aluminium, ... 10. cast iron - STD). We select beryllium copper alloy (BeCu) that can secure mechanical intensity most in the copper alloy, which has ideal fatigue resistance and wear resistance while securing a preeminent cylinder cooling performance. 

The standard seat rings can't dispearse heat effectively,
which then causes areas like this to crack.






VALVE SEAT RING

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  • ENGINE: NISSAN VR38DETT
  • ENGINE: SUBARU EJ205
  • TYPE: WHOLE UNIT
BERYLIUM VALVE SEAT RING SET VR38DETT

  • Parts No.TA310A-NS01A
  • Weight2 lbs
  • MSRP$1,200.00
  • Dimension7 x 6 x 3 inch
  • Sub CategoryVALVE SEAT RING
  • Qty in Stock5
  • EngineNISSAN VR38DETT
  • NoteIn Stock Now!
  • ModelNISSAN 35 GT-R
  • Available Repair PartsYes
  • Parts No.TA310A-NS01A
  • MSRP$1,200.00
  • Sub CategoryVALVE SEAT RING
  • EngineNISSAN VR38DETT
  • ModelNISSAN 35 GT-R
  • Weight2 lbs
  • Dimension7 x 6 x 3 inch
  • Qty in Stock5
  • NoteIn Stock Now!
  • Available Repair PartsYes
BERYLIUM VALVE SEAT RING SET EJ205/EJ207/EJ255/EJ257

  • Parts No.TA310A-SB01A
  • Weight2 lbs
  • MSRP$800.00
  • Dimension7 x 6 x 3 inch
  • Sub CategoryVALVE SEAT RING
  • Qty in Stock3
  • EngineSUBARU EJ207, SUBARU EJ255, SUBARU EJ257, SUBARU EJ205
  • NoteIn Stock Now!
  • ModelSUBARU WRX, SUBARU WRX STI
  • Available Repair PartsYes
  • Parts No.TA310A-SB01A
  • MSRP$800.00
  • Sub CategoryVALVE SEAT RING
  • EngineSUBARU EJ207, SUBARU EJ255, SUBARU EJ257, SUBARU EJ205
  • ModelSUBARU WRX, SUBARU WRX STI
  • Weight2 lbs
  • Dimension7 x 6 x 3 inch
  • Qty in Stock3
  • NoteIn Stock Now!
  • Available Repair PartsYes
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