Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings 1978-porsche-930-esi7271054 This application is only for

This application is only for M2

Two clear sight windows allow for hassle-free filter inspection

With CNC machined mount points

2 Cayman/Boxster PDK:

Prevent early engine failure

Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade B) SINGLE Piston w/ Rings 1978-porsche-930-esi7271054 This application is only forOur signature "Platinum Series" pistons feature 2618 alloy forgings, proven cam and barrel skirt profiles, tool steel wrist pins, and moly skirt coatings on select part numbers. Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.