Koyo Radiator - 91-94 Subaru Legacy 2.2L Turbo (MT) - VH090302HYPER V SERIES 36mm Core Thickness with Hyper Fin and Tube Pitch The Hyper V Core Series is the newest to the Koyorad Koyo All Aluminum Racing Radiator line up. An engine's cooling system in many newer vehicles are suffering due to limited space and crowding which affects air circulation. Our new ultra efficient Hyper V core was developed specifically for vehicles which see extreme heat, are limited in space, and where the factory inlet outlet