The Supertech dual valve spring for Subaru EJ20/25 is a single replacement spring specified at 70lbs with a 35.5mm dimension, offered as a drop-ship item. Supplied for use where individual springs are replaced during service or rebuilds, it matches the listed spring force and dimension requirements for the EJ20 and EJ25 valve train when steel or OEM retainers are used per application notes.
Supertech Subaru EJ20/25 70lbs/35.5mm Dual Valve Spring - Single (Drop Ship Only)