powerday Aluminum Front One Way Tube for Sakura D3 CS D4 Sport Drift #SAK-D324/PK This aluminum Front One Way Differential is specially designed to create the handbrake effect and on power steering as in real life drifting. For: Sakura D3 / D4 Material: Aluminum Color: Pink Package includes (as the picture shows): Aluminum One Way Tube (1 Set)