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The Brian Crower single valve spring and titanium retainer kit is manufactured for Toyota 3UR‑FE engines. Supplied as a single spring with matching titanium retainer, the kit serves as a direct replacement or upgrade option during cylinder head service or valvetrain builds on the 3UR‑FE platform, offering a lightweight retainer solution where titanium components are preferred for reduced reciprocating mass.
Brian Crower Toyota 3URFE Single Spring & Titanium Retainer Kit
