Manley Engine Piston Set Performance Standard 93.00 mm 8.5:1 Subaru WRX EJ205 2002-2005 - 615010C-4

Forged pistons kit Manley Performacne to Subaru Impreza EJ20 92.50 mm stroker crankshaft EJ25 8.5:1

Professional engine builders and elite tuners around the world are running Manley pistons for some very good reasons.

Characteristics:

-Domestic 2618 alloy forgings,

-Offset wrist pin designs on many applications where appropriate,

-Cam and barrel (skirt) profiles that make big power yet are friendly to the cylinder walls,

-Better ring seal = More power,

-Total Seal piston rings used exclusively,

-Skirt coatings on many applications,

-Unique (to Manley) fixturing allowing skirt turning & ring groove machining be performed in one single operation to ensure the ultimate ring groove to skirt squareness,

-Wrist pin upgrades (9310 alloy) available standard in Extreme Duty Series.

Set includes:

-pistons set,

-piston rings set,

-piston pins set.

Also available with reinforced pins made of alloy 9310.