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Manley titanium valve spring retainer for LT1 applications with +.050 in installed height. CNC machined and validated by finite element analysis to reduce valvetrain mass and increase RPM capability while maintaining valve control under racing conditions. Use Manley 13091 valve locks (LT-1/LT-4/L-98 Gen I/II SBC). Valve stem diameter 11/32 in and retainer weight about 10.0 grams.
Manley Spring Retainer, RET-TI 1.290 7 DEG +.050 LT1
