Manley Performance 04+ Subaru WRX/STI EH257 99.75mm Bore +.25mm Size 8.5:1 Dish Extreme
Features
- Turbo Tuff Pistons
- Made from 2618 alloy, utilize an offset wrist pin design
- Deliver long service life
- Moly coated skirts
- Design enhancement from Formula-Won piston forging
- Premium steel top rings with Napier style second rings and higher tension oil rings for ultimate oil control are included with each set along with round wire locks.
- 9310 Alloy .210" wall pin are included with the Extreme Duty Series
- 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.
Specifications
- Bore size : 99.75mm
- Over Size : +.25mm
- Rod length : 5.137"
- Comp distance : 1.209"
- Dome volume : -22cc
- Cylinder Head : 51
- Dish Piston type
- Comp. Ratio : 8.5
- Piston wt/gms : 408
- Include ring set : 46997DT-4
Manley Performance 04+ Subaru WRX/STI EH257 99.75mm Bore +.25mm Size 8.5:1 Dish Extreme
Sale price$919.30 USD
Regular price$965.05 USD