Manley Subaru EJ257 99.75mm +.25mm Bore 8.5:1 Dish Platinum Series Piston Set with Rings

Part #: man612202C-4

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

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

Features

• Pin: Standard .180" Wall
• Bore Size: 99.75mm (+.25)
• 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: 414 Grams
• Ring Set: 46997DT‑4