Manley's Platinum pistons for the Ford XR-6 Turbo (3.91" stroke, 3.647" bore, 9:1 CR) are forged 2618 alloy components made for boosted engines. They incorporate proven skirt profiles, exacting ring lands and grooves, and chrome moly wrist pins as standard on many SKUs. The pistons are produced with manufacturing methods that support consistent skirt squareness and reliable ring sealing in high-stress conditions.
Manley Ford XR-6 Turbo 4.0L 3.91in Stroke 3.647in Bore 9:1 CR -10cc Dish Piston Set w/Rings