JE 99.5mm 8.5:1 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 and EJ20 Heads (79mm Stroke)

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Our Price: $724.30

Part#: 291059

Description Applications
JE's Subaru FSR Hybrid 99.5mm 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 8.5:1 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!

  • Bore: 99.5mm
  • Size: STD
  • Stroke: 79mm
  • Rod: 130.5mm
  • C/D: 30.7mm
  • Head CC's: 48
  • C/R with .040: 8.5:1
  • Dome CC's: -25.5
  • Gram: 411
  • Footnote: Accepts Turbo / Nitrous
  • Skirt: F
  • Included Ring Set: JG4904-3917

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 1 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 Too soon for product review December 2, 2019
Reviewer: Joshua Dougherty from Valley Springs, CA United States  
IAG has been great but I'm still waiting on shipping for other build parts. Havent used the pistons yet.

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