Ford “EcoBoost” 3.5L DOHC 4 Valve -8.5cc Dish & -0.5cc Dome Pistons (Extreme Duty) - Set of 6 by Manley Performance
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.
Features
- 2618 high strength material; Lightweight design
- Offset wrist pin design for quiet start-ups
- Perfect ring groove to skirt squareness
- Pressure balance groove
- Round wire locks
- 1.2, 1.2, 2.5mm ring package
- Will accommodate +1mm valve sizes
- 2.500” x .180” wall Premium Chrome Moly pin (Standard Series) included
- 9310 alloy .210” wall pin (Extreme Duty Series) included P/N 42546
Benefits
- "Contour forgings" provide the optimum balance between strength and weight with no grain-interrupting internal milling.
- Proprietary multi-step top ring groove machining process assures optimum control of the groove's size, geometry, flatness, and finish.
- All final turning is performed in one fixturing resulting in complete squareness of rings to the cylinder wall.
- Federal Form-Scan gauging validates ideal skirt indexing to pinhole and skirt-to-skirt polarity.
- Value - added features such as a pressure balance groove included in all series.
- Precise pinhole machining results in an exact compression distance as well as precise lock ring groove spacing, size, and concentricity.
Please Note: These pistons are designed for connecting rods with .9055”/23mm diameter floating wrist pins
Please Note: The image provided is generic and may not be an accurate representation of the product you will receive
