Valve Spring Calculator

Calculate valve spring characteristics and RPM compatibility

Spring Specifications

Spring Rate

400 lbs/in
Medium rate - good for street/strip applications

Spring Analysis

Open/Seat Ratio2.69:1
Height at Max Lift1.250"
Coil Bind Clearance1.190"

RPM Compatibility

Valve Float Risk

Spring pressure adequate

Harmonic Damper

May need damper

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.