Manley Ford EcoBoost 3.5L 3.662in Bore 9:1 CR Piston Set

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. Note: These pistons are designed for connecting rods with .9055”/23mm diameter floating wrist pins. What's In The Box?: 6 - Pistons, 6 - Wrist Pins, 6 - Spiral Locks. Warranty: Manley products, due to their intended use, are sold without warranty.