Pro HD Dual Valve Spring Set(16) - 2RZ/3RZ

Pro HD Dual Valve Springs

(High RPM / High Boost)

If you're building a 2.4L 2RZ-FE or a 2.7L 3RZ-FE these Pro Dual Valve Springs are a "must-have" upgrade when running bigger lift cams and higher RPM's. With 100lbs of seat pressure at a 1.400" install height and open pressure of 225lbs (at .450" lift), they will work perfectly with any high boost application (20+ lbs of boost). These springs are rated up to 10,000 RPM and will accommodate cam lifts to .515" *install height will vary for .455+ lift cams.

NOTE: Sold as a set of (16). Make sure your valvetrain match correctly, failure to do so could result in engine damage.

• LC Engineering Spring Seat Set, see Part #: 1023136.
• LC Engineering Dual Valve Spring Set, see Part #: 1023218.
• LC Engineering Hardened Keeper Set, see Part #: 1023094.
• LC Engineering Pro HD Dual Valve Spring & Retainer Kit, see Part #: 1023221.
• LC Engineering Dual Springs require Titanium Retainers, see Part #: 1023240.