The Supertech single valve spring kit for Nissan TB48 24V engines delivers single replacement springs matched to the TB48 24-valve cylinder head. The product description names TB48 24V as the application for this Supertech kit. This kit is intended for valve spring replacement or head service on TB48 24V-equipped Nissan vehicles, supplying the spring set specified for that engine.
Supertech Nissan TB48 24V Single Valve Spring Kit