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Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings
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Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings

MAN615010C-4
807298024363
Piston Sets - Forged - 4cyl
3 Units In Stock - Ships Next Business Day
$ 805.63 $ 741.18
$ 741.18

SKU: 615010C-4 | UPC: 807298024363

Manley 98+ Subaru WRX (EJ205) STD Stroke 93mm +1mm Bore 8.5:1 Dish Piston Set with Rings

Manley Platinum Series pistons deliver forged strength for Subaru EJ205 engines in 2002-2005 Impreza WRX models and 2005 Saab 9-2X Aero. These 93mm bore (+1mm over stock) dish pistons with standard 75mm stroke support 8.5:1 compression ratios ideal for turbocharged builds. Engine builders count on their durability under high boost and RPM.

Key Features

  • 2618 T6 Alloy Forgings: Heat-treated for maximum tensile strength and fatigue resistance in demanding turbo applications
  • 8.5:1 Dish Design: -18cc volume enables safe boost levels while maintaining efficiency in EJ205/EJ255 engines
  • 93mm Bore +1mm / STD 75mm Stroke: Precise sizing restores or increases displacement for improved power output
  • Moly Skirt Coatings: Reduces friction wear and galling for quieter operation and longer life
  • Tool Steel Wrist Pins & Rings Included: High-strength H13 pins with premium file-fit rings ensure secure assembly

Product Notes

  • Requires professional balancing and honing for +1mm bore during installation
  • Inspect rods and bearings before use in high-performance setups
  • Ships in protective foam packaging to prevent damage

Installation Notes

  • Professional installation recommended.
  • Hone cylinders to 93.00-93.02mm with G-ring groove specs
  • Compatible with stock rods. upgrade recommended over 400whp

This Part Fits

Year Make Model Submodel
2002-2005 Subaru Impreza WRX
2005 Saab 9-2X Aero
2004-2007 Subaru Impreza WRX STI

Why Choose Manley?

  • Proven choice for race teams and tuners worldwide
  • Hand-built quality with strict tolerances
  • FEA-optimized profiles for strength and heat control

Frequently Asked Questions

  • Q: Will these pistons fit 2004-2007 Subaru STI models?
    A: Yes, compatible with EJ255 engines in 2004-2007 Impreza WRX STI when using 93mm bore setups
  • Q: What material are the pistons made from?
    A: 2618 T6 aluminum alloy forgings with moly-coated skirts and chrome-top rings for durability
  • Q: What warranty is provided?
    A: Manley offers a one-year unlimited mileage warranty against manufacturing defects

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Foam-protected box 10 x 6 x 10 inches
  • Weight: 3.65 lbs

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