Manley Platinum Series Pistons - 8.5:1 (EJ25)

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

  • 2618 high strength material; Lightweight design with offset wrist pin for quiet start-ups
  • 2.500” x .180” wall Premium Chrome Moly pin (Standard Series) included P/N 42346
  • Pressure balance groove
  • Will accommodate +1mm valve sizes
  • Premium Steel top rings with Napier seconds and 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
SKU
61200
$513.99

Manley pistons are machined of high strength 2618 material. Each design is lightweight yet robust enough to deliver long service life. Offset wrist pin design is utilized for quiet start-ups. Perfect ring groove to skirt squareness is achieved through our unique "one fixturing" manufacturing method that assures maximum horsepower.

All pistons come with moly coated skirts. Round wire locks, premium chrome moly wrist pins, and premium steel top ring sets from Total Seal are included with every kit at no additional charge. 9310 alloy upgraded wrist pins are available.

Recommended clearance: .003" for mildly boosted and .0035" for highly boosted measured .850" (79/83mm Strokes) and 1.100" (75mm Stroke) from the bottom of the oil ring groove.

Manley Subaru EJ257 pistons now include Napier style second rings and higher tension oil rings (by Total Seal) for superior oil control.

 

Available Sizes

  • STD - 99.5mm      Part# 612000C-4
  • +0.25 - 99.75mm      Part# 612002C-4
  • +0.50 - 100mm      Part# 612005C-4

 

Specifications

  • Rods Length:     5.137”
  • Comp Distance:     1.209”
  • Dome Volume:     -22cc
  • Cylinder Head:     51cc
  • Compresion:     8.5:1
  • Piston Type:     Dish

 

Fitment

  • EJ25 Standard Stroke

warning_symbolWARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.

More Information
SKU 61200
Product Type Engine
Engine Engine Internals
Brand Manley
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