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Manley titanium valve spring retainer specified for Chevrolet LS/LT exhaust use. CNC machined and validated by finite element analysis to reduce valvetrain mass and raise RPM capability while maintaining valve control for racing conditions. Use Manley P/N 13098 or OE LS/LT valve locks. Dimensions: +.105 in installed height, 8mm stem, approximately 10 g; requires seven valve locks.
Manley Spring Retainer, RET-TI 1.290 7 DEG LT4 EXH
