Pro HD Dual Valve Spring Set(16) - 2RZ/3RZ(Use For High RPM/Boost Applications)
The 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 up to .515" *install height will vary for .455+ lift cams.
LC Engineering Pro Dual Springs require our titanium retainers (part #1023240), hardened keepers (part #1023094) and spring seat (part #1023136). These parts are available as a complete kit (part #1023221). We also offer a lower pressure version of these springs for naturally aspirated or lower boost applications (0-20 Psi) (part #1023218)
100lb @ 1.4" Install Height
225LB @ .450 Lift
Coil Bind @ .540 from Install Height
Contact our Tech Support Line for further information at 928-855-6341.
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Note: Images are for illustration purposes only. Images MAY NOT represent the product listed. Please contact Customer Service with any questions or concerns: 928-505-2501.