Manley Spring Retainer, RET-TI 1.290 7 DEG 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.

• Use Manley P/N 13098 (recommended) or factory Chevrolet LS/LT valve locks
• CAD designed for ultimate reduction in mass without sacrificing strength
• Sames as 23628 dimensionally except made of Titanium
• Sames as 23623 but +.055" more installed height
• Special 6AL-4V titanium for maximum strength
• Must use 7 valve locks