OS Giken Super Single (Aluminium) Clutch Kit For Nissan S13/S14 SR20DET 5MTSingle plate clutch designed for lightly tuned vehicles, up to 350hp at the engine. For example cars tuned with standard turbo or high flow turbo. Not suitable for larger turbo upgrades (but suits all NA tuned engines). Features chrome moly flywheel (lighter than factory for better response), billet aluminium cover plate is lighter and more rigid than pressed steel version, damping springs in clutch plate. Comes with bearing carrier set to suit.