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SUBARU 1997-2005 SUBARU IMPREZA , FORESTER, LEGACY EJ25

  • Dome/Dish requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
  • Dome and dishes feature smooth flowing radii for excellent flame travel.
  • 1.2 x 1.2 x 2.5mm ring widths.
  • .905 x 2.500 (Round Forging) and .905 x 2.250” (FSR Forging) straight wall carbon steel wrist pin provided.
  • Pin fitting and Tru-Arc locks included
  • Rings Now Included
SUBARU EJ25 DOHC 1997-1999
STD Bore: 99.5mm
Deck Clearance is "0"
Compression is calculated with .054" Head Gasket

Click here to see matching JE Pro Seal Head Gaskets!
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
314335 99.5 STD 79 131.3 30.3 46 8.5 -24.4 Call T, M F JG4904-3917
314338 99.5 STD 79 131.3 30.3 46 11.5 -1.0 Call V, M R JG4904-3917
314336 99.75 0.25 79 131.3 30.3 46 8.5 -24.8 Call T, M F JG4904-3927
314339 99.75 0.25 79 131.3 30.3 46 11.5 -1.3 Call V, M R JG4904-3927
314337 100.0 0.50 79 131.3 30.3 46 8.5 -25.1 Call T, M F JG4904-3937
314340 100.0 0.50 79 131.3 30.3 46 11.5 -1.5 Call V, M R JG4904-3937


SUBARU EJ25 SOHC 1999+
STD Bore: 99.5mm
Deck Clearance is .015 below deck

Click here to see matching JE Pro Seal Head Gaskets!
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
314341 99.5 STD 79 131.6 29.5 50 8.5 -20.4 Call T, M F JG4904-3917
314344 99.5 STD 79 131.6 29.5 50 11.5 3.0 Call V, M R JG4904-3917
314342 99.75 0.25 79 131.6 29.5 50 8.5 -20.8 Call T, M F JG4904-3927
314345 99.75 0.25 79 131.6 29.5 50 11.5 2.7 Call V, M R JG4904-3927
314343 100.0 0.50 79 131.6 29.5 50 8.5 -21.2 Call T, M F JG4904-3937
314346 100.0 0.50 79 131.6 29.5 50 11.5 2.5 Call V, M R JG4904-3937


SUBARU EJ25 SOHC 1999-2005
STD Bore: 99.5mm
Deck Clearance is .015" Below Deck
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
314341 99.5 STD 79 131.6 29.5 50 8.5:1 -20.4 390 T F JG4904-3917
314344 99.5 STD 79 131.6 29.5 50 11.5:1 3.0 408 V R JG4904-3917
314342 99.75 0.25 79 131.6 29.5 50 8.5:1 -20.8 393 T F JG4904-3927
314345 99.75 0.25 79 131.6 29.5 50 11.5:1 2.7 411 V R JG4904-3927
314343 100.0 0.50 79 131.6 29.5 50 8.5:1 -21.2 395 T F JG4904-3937
314346 100.0 0.50 79 131.6 29.5 50 11.5:1 2.5 415 V R JG4904-3937

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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