This Ferrea dual valve spring set is specified for the Nissan RB26 and supplied as a complete set of 24 springs for full engine rebuilds. Intended for head reassembly where dual-spring setups are required, the set lets technicians restore or replace all valve springs to match factory or upgraded valvetrain configurations. Use the set when comprehensive spring renewal is needed for reliable valve control.
Ferrea Nissan RB26 Dual Valve Spring - Set of 24