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Subaru Models (inc. 2006-2014 WRX / 2004+ STI)


These particular pistons come in the 100mm sizing, and have an 8.5:1 compression ratio. For your convenience they also come supplied with rings, clips, as well as wrist pins. Give your vehicle some extra muscle with a set of Manley Performance Series Pistons.


  • Bore (mm): 100mm
  • Bore (in): 3.917"
  • Stroke: 79mm
  • Stock stroke type
  • Rod length: 5.137"
  • Forged aluminum construction
  • Compression Height (in): 1.209"
  • Includes piston rings
  • Includes wrist pins
  • Sold as a set of (4) pistons

Subaru Manley Performance Platinum Series Piston Set 100mm 8.5:1

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