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Manley 32‑piece titanium valve spring retainers, 7° configuration, are CNC machined and FEA‑engineered to reduce valvetrain mass and improve RPM potential. Made from 6AL‑4V titanium, each retainer weighs about 5.0 grams and is CAD‑optimized for strength while minimizing weight. They require use of seven valve locks and are intended for high‑demand racing applications where reduced reciprocating mass and precise valve control matter.
Manley 7 Degree STD 32pc Titanium Retainers for Manley 221419
