Manley LT4 INT/EXH Spring Retainer 1.340 7 Deg

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.

• CAD designed for ultimate reduction in mass without sacrificing strength
• Must use Manley P/N 13098 or factory Chevrolet LT4 valve locks
• Sames as 23611 except +.055" installed height
• Special 6AL-4V titanium for maximum strength
• Must use 7 valve locks