This Manley Turbo Tuff Piston for the EJ257 motor in the 2006-2014 WRX and 2004+ STi models is sold individually. Price includes one piston, one pin, one ring set and round wire locks. Please confirm if you need Grade A or B pistons.
See more Manley Pistons for the EJ257 WRX & STi

Vehicle Fitment:
Subaru EJ257
2006-2014 WRX
2004-2021 STi

Piston Specs: Important Notes:
These pistons feature skirt diameters that correspond to the OEM Grade A or B bores resulting in a piston to wall clearance range of .0023” - .0031”. Check the bore grades on the top of your block and order the appropriate quantities of Grade A or B pistons. (Sold as -1 individual pieces, not sets.)

Turbo Tuff Benefits:
• Thicker Skirt Wall
• Increased Corner Cross Sections
• Formula Won "Strutted" Forging
• Outboard Pin Bosses
• Offset wrist pin for quiet start-ups

Manley Platinum Series Pistons:
• Moly Coated Skirts
• 2618 high strength material
• Lightweight design with offset wrist pin for quiet start-ups
• Pressure balance groove
• Will accommodate +1mm valve sizes
• Premium Steel top rings with Napier second ring
• Higher tension oil rings for improved oil control
• Round wire locks included
• Recommended piston clearance: .003" for mildly boosted and .0035" for highly boosted
measured .850" (79/83mm stroke) and 1.100" (75mm stroke) from the bottom of the oil ring

Includes:
(1) Piston
(1) Piston Ring Set
(1) Wrist Pin
(1) Wire Locks

Images:
Pistons will vary slightly by application. Images are for reference.