Manley Spring Retainer, RET-TI 1.290 7 DEG +.050 LS1/LT4 EXH

Manley Valve Spring Retainers are engineered using finite element analysis and CNC machined to exacting tolerances to deliver unmatched strength and performance. These retainers reduce valvetrain mass, improve RPM potential, and ensure superior valve control in the most demanding racing applications.