Description
Fits the following vehicles:
EJ20E SOHC NA
- 1989-1994 Legacy BC – BF series
- 2003-2009 Legacy BL – BP series
- 1993-1999 Impreza GC – GF series
- 2008-current Impreza GH – GE series
EJ20D DOC NA
- 1989-1999 Legacy BC – BF and BD – BG series
EJ202 SOHC NA
- 1997 – 2002 Forester SF series
EJ203 SOHC NA
- 2003 – 2008 Forester JDM SG seires
- 2003 – 2009 Legacy JDM BP/BL series
EJ204 DOHC NA
- 1999-2001 Legacy JDM BE-BH series
- 2003-2009 Legacy JDM BL-BP series
- 1993-1999 Impreza GC-GF series
- 2007-2011 Impreza GE-GH series
- 2008-2011 Forester JDM SH series
EJ20K
- 1996-1997 JDM Imprez WRX
- 1997-1998 Impreza WRX Wagon (Manual Transmission)
- 1997-1998 Impreza WRX Type RA or R (Manual Transmission)
EJ205
- 1999-2001 Impreza WRX (JDM Wagon Body only)
- 2001-2006 Impreza WRX (all JDM)
- 2002-2005 Impreza WRX (USDM)
EJ20Y
- 2003-2009 Legacy GT BL and BP
EJ20H
- 1993-1998 Legacy JDM BD/BG5 Series (RS, RS-B and GT’s)
EJ20R
- 1996-1998 Legacy JDM BD/BG5 Series (manual RS-B and GT-Bs)
EJ206R
- 1998-2003 Legacy JDM BE5/BH5 (GT’s, GT-B’s and B4’s)
EJ208
- 1998-2003 Legacy JDM BE5/BH5 (GT’s, GT-B’s and B4’s)
About Thermalnator Heat Shield Gaskets
Thermalnator is a unique high temperature shielding gasket which replaces the stock intake manifold gasket. Thermalnator’s cooling properties reduce heat by stopping metal to metal contact between the intake manifold and the engine block. By using a Thermalnator gasket, you will reduce the heat of the air entering your engine, making up to 5% more power.
Thermalnator gaskets allow the intake manifold to perform like an intercooler. Because the manifold is no longer heated by the cylinder head, the heat from incoming air can dissipate through the aluminum very rapidly. The basic formula for this is for every 5 degrees F increase in intake air temp, air density is reduced by 1%. The denser the air is, the better the gain in horsepower.
Average testing has shown an 25 degrees F drop and up to 35 degrees in some applications. This is why a Thermalnator gasket is an excellent upgrade for your vehicle if it’s stock or modified.
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