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The Brian Crower valve spring and titanium retainer kit for Toyota 1FZFE applications supplies a single-spring setup intended for high-rev or competition use. Sourced from the brand's performance line, the kit offers upgraded spring dynamics and lightweight titanium retainers to improve valve control and reduce reciprocating mass where stronger spring force and reliable retention are required.
Brian Crower Toyota 1FZFE Single Spring & Titanium Retainer Kit
