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GSC Power-Division 4G63T Chromoly CNC Spring Seats, .035in Over OEM (1990-2006) - Set of 16

$48.96 $57.60
-15%
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GSC Power-Division 4G63T Chromoly CNC Spring Seats, .035in Over OEM (1990-2006) - Set of 16
$48.96 $57.60
$48.96 $57.60

Fits select 1990-2006 Mitsubishi Lancer Evolution, Eclipse, Galant VR-4, Eagle Talon, and Plymouth Laser models (4G63T).

GSC Power-Division CNC-machined spring seats are engineered for precision valvetrain setup on the Mitsubishi 4G63T platform. These seats are manufactured from high-strength chromoly and feature a .035-inch increased thickness over factory OEM units. This specific height allows for increased valve spring seat pressure or fine-tuning of the installed height without the need for cylinder head machining.

  • Manufactured from high-strength Chromoly steel
  • Precision CNC-machined for exact tolerances
  • .035" over OEM thickness for spring pressure adjustment
  • Complete set of 16 seats
  • Direct fit for 4G63T cylinder heads
  • Manufacturer Part Number: 4041-16
🔧 Fitment & Compatibility
Year Make Model Submodel
1990-1998 Eagle Talon TSi
1990-1994 Mitsubishi Eclipse GS
1990-1999 Mitsubishi Eclipse GST
1990-1999 Mitsubishi Eclipse GSX
1996-1999 Mitsubishi Eclipse Spyder GST
1991-1992 Mitsubishi Galant VR-4
2005-2006 Mitsubishi Lancer Evolution
2005-2006 Mitsubishi Lancer Evolution MR
2005-2006 Mitsubishi Lancer Evolution RS
2006 Mitsubishi Lancer Evolution SE
1990-1994 Plymouth Laser RS

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