
The Manley valve spring and retainer kit for Nissan RB26 organizes matched chrome-silicon valve springs, retainers and locks to ready the valvetrain for aggressive camshaft use. Marketed for racing and high-RPM duty, these kits emphasize fatigue resistance and tensile strength; select part numbers include titanium retainers and machined locks, and some applications list spring locators to simplify assembly for high-RPM builds.
Manley Nissan RB26 Valve Spring and Retainer Kit (with Valve Locks)