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Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
Manley Performance Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings
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Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings

MAN620005C-4
807298067896
Piston Sets - Forged - 4cyl
7 Units In Stock - Ships Next Business Day
$ 805.63 $ 741.18
$ 741.18

SKU: 620005C-4 | UPC: 807298067896

Manley 98+ Subaru WRX (EJ205) 79mm +4mm Stroker 92.5mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings

Upgrade your EJ205 engine with Manley Platinum Series stroker pistons designed for 2002-2005 Subaru Impreza WRX and 2005 Saab 9-2X Aero. These pistons deliver reliable strength in high-boost applications with a 79mm stroke and 92.5mm bore for increased displacement. Engine builders choose them for consistent performance and long-term durability in demanding street and track use.

Key Features

  • 2618-T61 Alloy Forgings: High-strength material handles extreme cylinder pressures and temperatures in turbocharged setups
  • Proven Skirt Profiles: Optimized cam and barrel shapes minimize friction and wear for smoother operation
  • Tool Steel Wrist Pins: Heavy-duty pins with wire lock circlips ensure secure retention under high RPM
  • Moly Skirt Coatings: Reduce scuffing and galling while improving ring seal and break-in
  • 8.5:1 Dish Design: Low compression ratio supports big turbo builds with 79mm stroker crank and 92.5mm bore

Product Notes

  • Includes premium moly file-fit piston rings for precise sealing
  • Compression height 30.0mm suits standard rods with stroker crank
  • Set of 4 pistons weighs 348 grams each unloaded

Installation Notes

  • Professional installation recommended.
  • Block requires boring/honing to 92.5mm (94mm max deck clearance)
  • Compatible with 99mm rods and 79mm stroke crankshaft

This Part Fits

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

Why Choose Manley?

  • Proven in professional race engines worldwide
  • Forged construction withstands 50+ psi boost levels
  • Exact tolerances from CNC machining ensure perfect fit

Frequently Asked Questions

  • Q: Will this fit 2006+ Subaru WRX models?
    A: Designed specifically for EJ205 2.0L engines in 2002-2005 Impreza WRX and 2005 Saab 9-2X Aero, not EJ255/257
  • Q: What material are these pistons made from?
    A: 2618-T61 high-silicon forged aluminum alloy with moly-coated skirts for heat resistance and durability
  • Q: What rings are included and do I need custom sizing?
    A: Complete set of moly file-fit rings included, top ring 1.2mm, second 1.5mm, oil 3.0mm, no custom sizing needed

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Protective foam-lined box, 10 x 8 x 4 inches
  • Weight: 4 lbs

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