Supertech titanium retainer for BMW S54, listed as SPR-HM1007BE and noted as a drop-ship item. Tailored for the S54 cylinder head configuration, this titanium retainer is supplied as the matching retention piece for compatible S54 springs and keepers, providing a lightweight option aimed at reducing reciprocating mass in that specific BMW engine application.
Supertech Titanium Retainer for BMW S54 - SPR-HM1007BE (Drop Ship Only)