The Supertech single valve spring kit for the Nissan Skyline RB20 DOHC 24V with hydraulic lifters is sold as a set matched to that engine's valvetrain. These springs are specified for RB20 hydraulic-lifter applications and intended as like-for-like replacements to restore correct valve control. Choose this kit when servicing or refreshing an RB20 head to maintain valve operation.
Supertech Nissan SKYLINE RB20 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit