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Manley titanium valve spring retainer for LS1 and LT4 exhaust applications with a +.050 in installed height. CNC machined and FEA-validated to reduce valvetrain mass and increase RPM potential while maintaining valve control in demanding use. Compatible with Manley 13098 or OE LS valve locks, each retainer weighs about 10.0 grams and requires seven valve locks per install.
Manley Spring Retainer, RET-TI 1.290 7 DEG +.050 LS1/LT4 EXH
