The Gktech e-brake cables can be fitted to an S13 240sx or the S14 240sx and S15 Chassis when installing rear drum brakes.
Note that with the S13 240sx chassis our drum e-brake conversion plate that can be seen here must also be used, however, it is not required on the S14 or S15's: https://us.gktech.com/s13-240sx-drum-e-brake-cable-conversion-plat
If you have an R33 2 door coupe, these lines are a direct replacement of the OEM e-brake cables.
Sold as a pair
Direct OEM replacement lines for Nissan part #36531-15U1A and 36530-15U1A