The Manley forged piston set for Mitsubishi 4G63 engines is a Platinum Series dish piston kit sized at 85.50mm bore with a 10.50:1 compression ratio. The Platinum Series specifies 2618 alloy forgings, precise cam and barrel skirt profiles, and manufacturing features such as exacting ring lands and grooves. Chrome moly wrist pins and attention to skirt machining are noted among the documented attributes.
Manley Mitsubishi 4G63 Forged Dish Piston Set - 85.50mm Bore 10.50:1