CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

Marsoni

M251S

$442.57

Get it in 3 business days with 1 day shipping. Friday, May 29

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4SKU: SC7423 4 CP Piston &. Ring Set for 2004 2012 Subaru Impreza WRX STI EJ257 Bore 100. 5mm Size +1. 0mm CR 8. 2 Set of 4 Equip your 2004 2012 Subaru Impreza WRX STI EJ257 engine with this CP forged piston and ring set machined to 100. 5mm bore and +1. 0mm oversize for rebuilt cylinders. The 8. 2: 1 compression ratio supports high boost turbo configurations delivering reliable power in demanding track or street applications. This complete set of 4

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Your CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4 orders ship within 1-2 business days.

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OMGosh, this feels so good on your lips! I just got this today so I’ll have to update if the moisture doesn’t last. But so far it feels nice. I did have a slight issue with it melting onto itself in the one day it took to get to me. See photos. The tube itself was slightly concave because of the melting. But is still intact. So far though I love this stuff!

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Reviewed in the United States on May 8, 2026