Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade A) SINGLE Piston w/ Rings 2520 D: (inch) 15/64" / (mm)

D: (inch) 15/64" / (mm) 6

UPC: 873804001944

Additional sizes available (420805-420810)

To ease the installation in OEM placements the woofers are equipped with high current fast-on terminals with double contact on positive and negative poles for high flexibility and quick connection

Manley 04+ WRX STi (EJ257) Size (STD) Stroke (79mm) Bore (99.50mm Grade A) SINGLE Piston w/ Rings 2520 D: (inch) 15/64" / (mm)Our 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. Manley Piston Single, PIST SUBARU 99. 5mm GRADE A.