Wössner forged high performance pistons APX / APY / BAM

model: Audi S3/TT 1.8 20V Turbo 225hp

bore size: 81mm/81.5mm/82mm/82.5mm

rod length: 144mm

pin dia.: 20mm

model:                        Audi S3/TT 1.8 20V Turbo 225hp

engine:                       APX/APY/BAM

part no.:                     K9271DA

bore size:                   81mm/81.5mm/82mm/82.5mm

stroke:                        86.40mm

Wössner comp. ratio:  9.5:1

OE comp. ratio:           8.9:1

dome volume:            -6.0cm³

comp. height:             32.70mm

piston weight:             280g

rod length:                  144mm

pin dia.:                       20mm

 

Write which size you need after purchase.