The Supertech steel retainer is made for SPR-TS1015 applications on Subaru WRX engines with a 6-degree seating reference. It provides the matched interface to secure SPR-TS1015 springs in WRX valvetrains where steel retainers are specified. Use this retainer when performing servicing or rebuilds on WRX heads that call for SPR-TS1015-compatible steel retainers to maintain proper spring retention.
Supertech Steel Retainer for SPR-TS1015 Subaru WRX 6 Degrees