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Forged pistons Subaru EJ205 EJ207 2.1L stroker, EJ25 crank 131.6mm Forged pistons Subaru EJ205 EJ207 2.1L stroker, EJ25 crank 131.6mm

Forged pistons 2.1L 16v EJ205 EJ207 with EJ25 crankshaft and 131.6mm connecting rods Subaru

€599.10 (tax incl.)
€855.86 (tax incl.) -30%

Forged stroker pistons 2.1L EJ205/EJ207: Table, Ø92.5 & 93.0, pin 23.0, CH 30.0, RV 8.5:1. Compatibility WRX/Forester/STi, original vehicles and OEM part numbers.

WK579M925 (EJ205/7 CSEJ25 CD131.
On order, 15 to 30 days lead time

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Specifications of the forged pistons offered by NSB Concept for Subaru EJ205 / EJ207 (stroker 2.1 L — crankshaft EJ25 79,0 mm & connecting rods 131,6 mm) :

Reference OEM Bore
92,00 mm		 OEM CR 8,0–8,2 :1 OEM Pin
23 mm		 Height OEM Pin
32,66 mm		 Range Coating Aluminium Forging Dome Weight Rings
WK579M925 92.5 8.5:1 23.0 30.0 Wiseco Skirt 2618 NC -17.8 NC 9250TX
WK579M93 93.0 8.5:1 23.0 30.0 Wiseco Skirt 2618 NC -17.8 NC 9300TX


Compatibility (engine codes):

  • EJ205 — WRX / Forester 2.0T (depending on markets).
  • EJ207 — WRX STi 2.0T (JDM/EU).


original vehicles equipped with EJ205/EJ207 (reference for compatibility of the block):

Brand Model Engine code Power Years
Subaru Impreza WRX (GD/GG) EJ205 218 hp 2001 – 2005 (EU)
Subaru Impreza WRX (USDM) EJ205 227 hp 2002 – 2005 (US)
Subaru Forester SF5 S Turbo EJ205 170 hp 1998 – 2000
Subaru Forester SG5 2.0 Turbo EJ205 177 hp 2002 – 2005
Subaru Impreza WRX STi (GDB) EJ207 280 hp 2001 – 2005 (JDM/EU)


OEM piston references :

  • Subaru EJ205 : 12006AC360 (STD), 12006AC370 (+0.25), 12006AC380 (+0.50).
  • Subaru EJ207 : 12006AB310 / AB320 / AB330 / AB340 (depending on version/grade).

Warning: Before installation, please verify the integrity and conformity of each component of the piston kit as well as the correctness of the assembly in the engine; any warranty is strictly limited to the parts included in the piston kit.

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