632800CEB-1 Manley Turbo Tuff Piston EJ257 for 06-14 WRX / 04+ STi




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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:
Part Number: 632800CEB‑1
Pin: Extreme .250" Wall
Bore Size: 99.5mm (Grade B)
Rod Length: 5.137"
Stroke: 79mm Standard Stroke (2.5L)
Comp Distance: 1.209"
Dome Volume: -17 cc
Cylinder Head cc: 57
Compression Ratio: 8.5:1
Piston Type: Dish
Weight: 417 Grams
Ring Set: 46995DT‑1
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

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

Pistons will vary slightly by application. Images are for reference. See more Manley Products
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