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JE 99.75mm 9.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
JE's Subaru FSR Hybrid 99.75mm piston set starts with 2618 T6 high tensile forged aluminum blanks. The pistons are specifically designed for high horsepower and profiled to match the EJ20 combustion chamber, which means no cylinder head modifications are required. The dome and dishes feature smooth flowing radii for excellent flame travel. The 9.5:1 JE's piston set includes .905 x 2.250 straight wall carbon steel wrist pins with Tru Arc locks along with a complete ring set.
*The 79mm stroke Hybrid WRX FSR pistons are compatible with OEM or aftermarket rods!
Size: .25 Oversize
Head CC's: 48
C/R with .040: 9.5:1
Dome CC's: -16.7
Footnote: Accepts Turbo / Nitrous
Included Ring Set: JG4904-3927
Model Year & Fitment
2002 Subaru WRX with EJ25 Block & EJ20 Heads
2003 Subaru WRX with EJ25 Block & EJ20 Heads
2004 Subaru WRX with EJ25 Block & EJ20 Heads
2005 Subaru WRX with EJ25 Block & EJ20 Heads
Cosworth Replacement 92.5mm / 8.5:1 CR Forged Piston, Pin and Circlips for 2002-05 Subaru WRX
JE 100mm 9.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
JE 99.5mm 8.5:1 FSR Piston Set For Subaru WRX Hybrids with EJ25 Block EJ20 Heads
Cosworth 92mm 8.0:1 Forged Piston Set For 2002-05 EJ20 Subaru WRX
Cosworth 19mm Replacement Wrist Pin
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Westminster, MD 21157
Integrity Auto Group Inc.