Piston Sets - Forged - 4cyl CP Pistons SC7421-4 - CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100mm) - Size (0.5mm) - CR (8.2) – Fastmodz
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CP Pistons SC7421-4 - CP Piston & Ring Set for Subaru EJ257 WRX STi Bore (100mm) Size (0.5mm) CR (8.2)
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CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100mm) - Size (0.5mm) - CR (8.2)

This Part Fits:

Year Make Model Submodel
2004-2012 Subaru Impreza WRX STI
2007,2011-2012 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
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CP Pistons SC7421-4 Replacement Piston Sets - Forged - 4cyl
CP Pistons
SC7421-4
CPPSC7421-4
4
Piston Sets - Forged - 4cyl
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CP Pistons SC7421-4 Replacement Piston Sets - Forged - 4cyl
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If it is purchasable it is unstock and available for shipment as soon as today.

How long will it take to get it?
Shipping to US addresses generally takes 2 to 4 business days to arrive depending on your location. We also offer Next Day Air and 2nd Day Air if you need it faster.

International shipping is subject to import duties and taxes and we usually see 4 day to 2 week ship times to most locations outside the USA.

Does this fit my vehicle?
We have fitment charts in most of our vehicle specific products. If you do not see your vehicle, please do not hesitate to ask via chat or contact form.

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Our return policy can be found here: Return Policy

CP Pistons SC7421-4 Replacement Piston Sets - Forged - 4cyl
CP Pistons SC7421-4 - CP Piston & Ring Set for Subaru EJ257 WRX STi Bore (100mm) Size (0.5mm) CR (8.2)
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CP Pistons SC7421-4 - CP Piston & Ring Set for Subaru EJ257 WRX STi Bore (100mm) Size (0.5mm) CR (8.2)

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