Wössner forged high performance pistons EJ20 / EJ205

model: Subaru Impreza WRX Version 5/6

bore size: 92mm/92.5mm/93mm

rod length: 130,5mm

pin dia.: 23mm

model:                       Subaru Impreza WRX Version 5/6

engine:                       EJ20 / EJ205

part no.:                     K9403DA

bore size:                   92mm/92.5mm/93mm

stroke:                        75mm

Wössner comp. ratio:   9.0:1

OE comp. ratio:           8.4:1

dome volume:             +0.3cm³

comp. height:             32.70mm

piston weight:             354g

rod length:                  130,5mm

pin dia.:                       23mm