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JE Pistons FSR Forged Piston Set - Subaru EJ257 Block with EJ20 Head 2002-2008 (100mm, 8.5:1)

JE Pistons SKU: JEP291060
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JE FSR forged pistons for a Subaru EJ257 block running EJ20 cylinder heads, sized at 100mm bore (0.5mm over) for 8.5:1 compression with a -26.4cc dish to suit the 48cc EJ20 chamber. Forged in the USA from 2618 aluminum using JE's Forged Side Relief (FSR) design, each piston has an accumulator groove between the top and second rings, skirt coating to cut friction and noise, and a precision honed pin bore. The kit includes wrist pins, locks, and JE Pro Seal rings.

Specifications

Type FSR forged piston and ring kit
Material 2618 forged aluminum, skirt coated
Size 100mm bore (+0.5mm oversize)
Compression Ratio 8.5:1 (with .040 in head gasket)
Dish Volume -26.4cc
Cylinder Head EJ20 (EJ205)
Chamber Volume 48cc
Compression Height 30.7mm (1.209 in)
Stroke 79mm
Wrist Pin .905 in x 2.250 in
Rings JE Pro Seal, 1.2 x 1.2 x 2.5mm
Quantity Set of 4 pistons
Part Number 291060

This part fits:

Year Make Model Submodel
2006-2008 Subaru Impreza 2.5i
2002-2004 Subaru Impreza Outback
2005-2008 Subaru Impreza Outback Sport
2002-2005 Subaru Impreza RS
2002-2004 Subaru Impreza TS
2002-2008 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX Limited
2004-2008 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2006-2007 Subaru Impreza WRX TR

Shipping

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Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
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