1 Engine Adapter, 1 Flywheel, Hardware, and Dust Shield. Kennedy Subaru adapter flywheels use a standard 8mm x 1.25 thread 20mm long clutch bolt. Adapter flywheels have a standard 12 volt Volkswagen style ring gear. This engine adapter includes the hardware to mount to the transmission, the hardware to mount the flywheel to the engine, the billet aluminum engine adapter plate, the adapter flywheel, the adapter pilot bearing, and an aluminum dust shield. This engine adapter kit uses a 200mm / 8 inch diameter single clutch disc assembly. This Subaru engine adapter will also fit the following 1990 to 2004 Legacy, WRX & others: Subaru 2.0 Liter Subaru 2.2 Liter Subaru 2.5 Liter Subaru 3.0 Liter Subaru 3.3 Liter This Subaru engine adapter does not fit the following: Subaru 1.8 Liter Subaru 2.7 Liter.