Wössner forged high performance pistons EJ257

model: Subaru U.S. Impreza WRX STI Stroker Kit

bore size: 100mm

rod length: 130,5mm

pin dia.: 23mm

model:                       Subaru U.S. Impreza WRX STI stroker kit

engine:                       EJ257

part no.:                     K9263D050

bore size:                   100mm

stroke:                        79mm

Wössner comp. ratio:   8.0:1

OE comp. ratio:           8.2:1

dome volume:             -30.6cm³

comp. height:             31.00mm

piston weight:             389g

rod length:                  130,5mm

pin dia.:                       23mm

 

Write which size you need after purchase.