This adapter kit will also fit a beetle transmission. Kennedy Chevy 4.3 liter or small block 350 V8 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 steel dust shield. This engine adapter kit uses a 200mm / 8 inch diameter single clutch disc assembly.