Manley Performance 99.50mm Grade B Bore 8.5:1 CR -17cc Dish ED Single Piston w/Rings | 2004-2020 Subaru WRX/WRX STi (632800CEB-1)

Extreme Duty Turbo Tuff Piston Set with Rings – Single by Manley Performance

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.

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Perfect ring groove to skirt squareness is achieved through our unique “one fixturing” manufacturing method that assures maximum horsepower. Round wire locks, tool steel wrist pins, and rings are included with every set at no additional charge.

Features

• 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: 46995DT1

Benefits

• Thicker Skirt Wall
• Increased Corner Cross Sections
• Formula Won “Strutted” Forging
• Outboard Pin Bosses
• Offset wrist pin for quiet start-ups

Please Note: 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.)

Applications

• 2006 – 2014 Subaru WRX
• 2004 – 2020 Subaru WRX STi

What’s In The Box?

• 1 – Piston
• 1 – Piston Ring Set
• 1 – Wrist Pin
• 1 – Spiral Lock

Warranty

• Manley products, due to their intended use, are sold without warranty.