Manley 7 Degree 16pc Std. Titanium Valve Spring Retainers (for 13089 or Factory Valve Lock)

Upgrade your valve train with Manley Performance Titanium Retainers and other lightweight titanium options designed specifically for high-revving engines. Machined from aerospace-grade heat-treated 6AL-4V titanium, these retainers dramatically reduce valvetrain mass for quicker rev-up, improved valve control and enhanced overall responsiveness. The reduced weight helps your engine hold spring pressure at high RPM, minimizing float and unlocking more performance potential in race or aggressive street applications. Lightweight, strong, and precision-built for serious performance.

This Part Fits:

Year	Make	Model	Submodel
1997-2000	Ford	F-150	Base
2002-2003	Ford	F-150	Harley-Davidson Edition
1999-2003	Ford	F-150	Lightning
1996-2004	Ford	Mustang	GT