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JE Pistons Part # JEP314439

JE Pistons SUB WRX EJ205 93mm Bore CR 8.5 KIT Set of 4 Pistons - 314439

$899.99 USD

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Trusted since 2005 Questions? Email sales@raptorracing.com

Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applicationsDesigned specifically for each engine and use application to provide optimized performance durabilityProprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pinSkirt coating (depending on application) reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noiseAccumulator groove (depending on application) helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent powerIncludes high-quality wrist pins, locks, and JE Pro Seal premium piston ringsMade 100% in the USA

  • Oil Ring Thickness: 0.111 in.
  • Oil Groove Width: 0.11100 in.
  • Wrist Pin Wall Thickness: 0.180 in.
  • Wrist Pin Outer Diameter: 0.905 in.
  • Compression Height: 1.287 in.
  • Exhaust Diameter: 1.550
  • Intake Diameter: 1.550 in.
  • Wrist Pin Length: 2.250 in.
  • Engine Stroke: 2.953 in.
  • Exhaust Angle: 20
  • Intake Angle: 20
  • Piston Average Weight: 367 g
  • Piston Quantity: 4
  • Connecting Rod Length: 5.137 in.
  • Wrist Pin Material: 5115 Low Carbon Steel, Case Hardened
  • Bore Diameter: 93.00 mm
  • Piston Head Type: Dish
  • Engine: EJ Series
  • Cylinder Head: EJ205 WRX
  • Forging Type: FSR
  • Ring Set - Recommended: JG1001-3661
  • Piston Volume: -12.40 cc
  • Exhaust Depth: .210
  • Intake Depth: .210 in.
  • Top Compression Ring Thickness: 0.0400 in.
  • Top Groove Width: 0.04000 in.
  • 2nd Groove Width: 0.048 in.
  • Second Compression Ring Thickness: 0.0480 in.
  • Accumulator Groove: Yes
  • Pin Fit: Yes
  • Ring Set Included: Yes
  • Skirt Coat: Yes
  • Smooth Crown Finish: Yes

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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Free U.S. standard shipping on qualifying orders $199+

Ships from our Buffalo, NY warehouse

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