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Supertech titanium retainers designed for Nissan SR20 engines using SPR-H1020 series components, sized for 6mm valve stems and supplied as a set of 16. These retainers pair with matching locks and springs to complete valve retention assemblies during head rebuilds or performance upgrades, offering weight savings appropriate for engines where reducing reciprocating mass is beneficial.
Supertech Titanium Retainer for Nissan SR20 / SPR-H1020 Series 6mm Valve Stems - Set of 16
