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Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
Manley Performance Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings
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Manley 15+ Subaru FA20 WRX 86.25mm +.25mm Over Size Bore 10:1 Dish Piston Set with Rings

MAN632702C-4
807298102177
Piston Sets - Forged - 4cyl
6 Units In Stock - Ships Next Business Day
$ 813.39 $ 748.32
$ 748.32

SKU: 632702C-4 | UPC: 807298102177

Manley 2015-2021 Subaru WRX FA20 86.25mm +0.25mm Oversize Bore 10:1 Dish Piston Set with Rings

Equip your 2015-2021 Subaru WRX FA20 2.0L turbo engine with this Manley Platinum Series piston set featuring 86.25mm (+0.25mm oversize) bore and 10:1 compression ratio dish design. Includes premium rings for direct assembly after cylinder boring and honing. Delivers strength and reliability for boosted applications trusted by engine builders.

Key Features

  • 2618-T61 Forged Alloy: High-silicon aluminum construction handles extreme boost and heat for long-term engine life
  • Dish Top Design: -8cc volume yields 10:1 compression ratio suited to turbocharged FA20 setups
  • Tool Steel Wrist Pins: 22mm x 55mm H13 pins with wire locks resist fatigue under high RPM
  • Moly Skirt Coating: Reduces friction and wear on cylinder walls for smoother operation
  • Included Ring Set: moly top/steel second/3-piece oil rings ensure optimal sealing and oil control

Product Notes

  • Bore requires machining to 86.25mm stroke 86mm rod 130.5mm compression height 30mm
  • Piston weight 338g assembly ready with accumulator grooves for ring seal
  • Packaged to prevent damage during transit

Installation Notes

  • Professional installation recommended.
  • Cylinder hone to plateau finish after boring to spec
  • Compatible with stock connecting rods and bearings

This Part Fits

Year Make Model Submodel
2015-2021 Subaru WRX Base
2015-2021 Subaru WRX Limited
2015-2021 Subaru WRX Premium

Why Choose Manley?

  • Proven choice for tuners and builders in competitive motorsports
  • Durable components withstand high-horsepower turbo builds
  • Precise machining ensures perfect ring seal and balance

Frequently Asked Questions

  • Q: Does this fit 2015-2021 Subaru WRX STI?
    A: Designed for FA20F 2.0L turbo WRX engines only STI uses different EJ25 or FA24 blocks
  • Q: What material are the pistons made from?
    A: 2618-T61 forged aluminum alloy with fully CNC-machined rings lands and skirts
  • Q: What is the warranty coverage?
    A: Manley offers a one-year unlimited mileage warranty against manufacturing defects

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: Secure box 5.5 x 5.5 x 3.8 inches
  • Weight: 2.90 lbs

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