Supertech Performance RET-NSR20/T1 Titanium retainer for Nissan SR20/ SPR-H1020 series/ 6.0 mm valve stems.

Supertech Performance RET-NSR20/T1 Titanium retainer for Nissan SR20/ SPR-H1020 series/ 6.0 mm valve stems.

Supertech retainers are manufactured with the highest military grade Titanium alloy. Each retainer is meticulously machined with a CNC for exact tolerances. Titanium retainers offer the highest durability to ensure valve springs are kept in place and secured.